Vulnerability-Lookup

BDU:2026-15094 (CVE-2026-70354)

Vulnerability from fstec – Published: 2026-09-23 – Updated: 2026-09-23 – View on bdu.fstec.ru Fixed

Title

Уязвимость программной платформы .NET и редактора исходного кода Visual Studio Code, связанная с записью за границами буфера памяти, позволяющая нарушителю вызвать отказ в обслуживании

Summary

Уязвимость программной платформы .NET и редактора исходного кода Visual Studio Code связана с записью за границами буфера памяти. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, вызвать отказ в обслуживании

Severity

7.2 (High) CVSS 2.0


                      
                        AV:L/AC:L/Au:N/C:C/I:C/A:C

7.8 (High) CVSS 3.1


                      
                        CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Class

Code vulnerability

Status

Confirmed by the vendor

Exploitation

Data structure manipulation

Incidents

Being clarified

Remediation

Software update

CWE

CWE-787 - Запись за границами буфера

Aliases

CVE-2026-70354

References

2 references

URL
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70354
https://redos.red-soft.ru/support/secure/

Impacted products

11 products from 2 vendors

Vendors

ООО «Ред Софт», Microsoft Corp

Products

РЕД ОС (запись в едином реестре российских программ №3751), .NET, Microsoft Visual Studio 2022, Microsoft Visual Studio 2026, Microsoft .NET Framework 4.8.1, Microsoft .NET Framework 3.5, Microsoft .NET Framework 4.7.2, Microsoft .NET Framework 4.8, Microsoft .NET Framework 4.6.2, Microsoft .NET Framework 4.7, Microsoft .NET Framework 4.7.1

Versions

7.3 (РЕД ОС), 8.0 (РЕД ОС), от 8.0 до 8.0.30 (.NET), от 9.0 до 9.0.19 (.NET), от 17.14 до 17.14.38 (Microsoft Visual Studio 2022), от 18.8 до 18.8.3 (Microsoft Visual Studio 2026), от 10.0 до 10.0.11 (.NET), до 4.8.9344.0 (Microsoft .NET Framework 4.8.1), до 2.0.50727.9183 (Microsoft .NET Framework 3.5), до 3.0.30729.9169 (Microsoft .NET Framework 3.5), до 2.0.50727.9070 (Microsoft .NET Framework 3.5), до 3.0.30729.9068 (Microsoft .NET Framework 3.5), до 4.7.4144.0 (Microsoft .NET Framework 3.5), до 4.8.4805.0 (Microsoft .NET Framework 3.5), до 2.0.50727.9070 (Microsoft .NET Framework 4.7.2), до 3.0.30729.9068 (Microsoft .NET Framework 4.7.2), до 4.7.4144.0 (Microsoft .NET Framework 4.7.2), до 2.0.50727.9070 (Microsoft .NET Framework 4.8), до 3.0.30729.9068 (Microsoft .NET Framework 4.8), до 4.8.4805.0 (Microsoft .NET Framework 4.8), до 2.0.50727.8984 (Microsoft .NET Framework 3.5), до 3.0.30729.8980 (Microsoft .NET Framework 3.5), до 4.8.9344.0 (Microsoft .NET Framework 3.5), до 4.8.9343.0 (Microsoft .NET Framework 3.5), до 2.0.50727.9183 (Microsoft .NET Framework 4.8), до 3.0.30729.9169 (Microsoft .NET Framework 4.8), до 2.0.50727.9183 (Microsoft .NET Framework 4.8.1), до 3.0.30729.9169 (Microsoft .NET Framework 4.8.1), до 4.8.9343.0 (Microsoft .NET Framework 4.8.1), до 2.0.50727.8984 (Microsoft .NET Framework 4.6.2), до 3.0.30729.8980 (Microsoft .NET Framework 4.6.2), до 4.7.4144.0 (Microsoft .NET Framework 4.6.2), до 2.0.50727.8984 (Microsoft .NET Framework 4.7), до 3.0.30729.8980 (Microsoft .NET Framework 4.7), до 4.7.4144.0 (Microsoft .NET Framework 4.7), до 2.0.50727.8984 (Microsoft .NET Framework 4.7.1), до 3.0.30729.8980 (Microsoft .NET Framework 4.7.1), до 4.7.4144.0 (Microsoft .NET Framework 4.7.1), до 2.0.50727.8984 (Microsoft .NET Framework 4.7.2), до 3.0.30729.8980 (Microsoft .NET Framework 4.7.2)

Product types

Operating system, Application software

Platforms

Microsoft Corp Windows Server 2012 -, Microsoft Corp Windows Server 2012 R2 -, Microsoft Corp Windows 10 1607 - 64-bit, Microsoft Corp Windows 10 1607 - 32-bit, Microsoft Corp Windows Server 2016 -, Microsoft Corp Windows Server 2012 R2 (Server Core installation) -, Microsoft Corp Windows Server 2016 (Server Core installation) -, Microsoft Corp Windows 10 1809 - 64-bit, Microsoft Corp Windows 10 1809 - 32-bit, Microsoft Corp Windows Server 2019 -, Microsoft Corp Windows Server 2019 (Server Core installation) -, Microsoft Corp Windows 10 1809 - ARM64, Microsoft Corp Windows Server 2022 -, Microsoft Corp Windows Server 2022 (Server Core installation) -, ООО «Ред Софт» РЕД ОС 7.3 (запись в едином реестре российских программ №3751), Microsoft Corp Windows 10 21H2 - 64-bit, Microsoft Corp Windows 10 21H2 - 32-bit, Microsoft Corp Windows 10 21H2 - ARM64, Microsoft Corp Windows 10 22H2 - 64-bit, Microsoft Corp Windows 10 22H2 - ARM64, Microsoft Corp Windows 10 22H2 - 32-bit, Microsoft Corp Windows Server 2012 (Server Core installation) -, Microsoft Corp Windows 11 23H2 - 64-bit, Microsoft Corp Windows 11 23H2 - ARM64, Microsoft Corp Windows 11 24H2 - 64-bit, Microsoft Corp Windows 11 24H2 - ARM64, Microsoft Corp Windows Server 2025 -, Microsoft Corp Windows Server 2025 (Server Core installation) -, Microsoft Corp Windows 11 25H2 - 64-bit, Microsoft Corp Windows 11 25H2 - ARM64, ООО «Ред Софт» РЕД ОС 8.0 (запись в едином реестре российских программ №3751), Microsoft Corp Windows 11 26H1 - ARM64, Microsoft Corp Windows 11 26H1 - 64-bit

Mitigations

Использование рекомендаций производителя: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70354 Для Ред ОС: http://repo.red-soft.ru/redos/7.3c/x86_64/updates/ Для Ред ОС: http://repo.red-soft.ru/redos/8.0/x86_64/updates/

Remediation

TO2924 Обновление .NET 8.0 (компонент windowsdesktop-runtime-8.0.30), TO2925 Обновление .NET 8.0 (компонент windowsdesktop-runtime-8.0.30), TO2926 Обновление .NET 8.0 (компонент dotnet-runtime-8.0.30), TO2927 Обновление .NET 8.0 (компонент dotnet-runtime-8.0.30), TO2928 Обновление .NET 8.0 (компонент dotnet-sdk-8.0.130), TO2929 Обновление .NET 8.0 (компонент dotnet-sdk-8.0.424), TO2930 Обновление .NET 8.0 (компонент dotnet-sdk-8.0.130), TO2931 Обновление .NET 8.0 (компонент dotnet-sdk-8.0.424), TO2932 Обновление .NET 8.0 (компонент ASP.NET Core Hosting Bundle 8.0.30), TO2933 Обновление .NET 8.0 (компонент ASP.NET Core Runtime 8.0.30), TO2934 Обновление .NET 8.0 (компонент ASP.NET Core Runtime 8.0.30), TO2935 Накопительное обновление .NET Framework 3.5 и 4.8.1 для Windows 10 21H2 для x64 систем (KB5120709), TO2936 Накопительное обновление .NET Framework 3.5 и 4.8 для Windows 10 21H2 для x64 систем (KB5120701), TO2937 Накопительное обновление .NET Framework 3.5 и 4.7.2 для Windows Server 2019 для x64 систем (KB5120698), TO2938 Накопительное обновление .NET Framework 3.5 и 4.8.1 для Windows 11 24H2 для x64 систем (KB5120710), TO2939 Обновление .NET 9.0 (компонент dotnet-runtime-9.0.19), TO2940 Обновление .NET 9.0 (компонент dotnet-runtime-9.0.19), TO2941 Обновление .NET 9.0 (компонент dotnet-sdk-9.0.120), TO2942 Обновление .NET 9.0 (компонент dotnet-sdk-9.0.120), TO2943 Обновление .NET 9.0 (компонент dotnet-sdk-9.0.317), TO2944 Обновление .NET 9.0 (компонент dotnet-sdk-9.0.317), TO2945 Обновление .NET 10.0 (компонент dotnet-runtime-10.0.11), TO2946 Обновление .NET 10.0 (компонент windowsdesktop-runtime-10.0.11), TO2947 Обновление .NET 10.0 (компонент windowsdesktop-runtime-10.0.11), TO2948 Обновление .NET 10.0 (компонент dotnet-sdk-10.0.111), TO2949 Обновление .NET 10.0 (компонент dotnet-sdk-10.0.303), TO2950 Обновление .NET 10.0 (компонент dotnet-sdk-10.0.303)

JSON

To clipboard

{
  "CVSS 2.0": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
  "CVSS 3.0": "AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "CVSS 4.0": null,
  "remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "TO2924, TO2925, TO2926, TO2927, TO2928, TO2929, TO2930, TO2931, TO2932, TO2933, TO2934, TO2935, TO2936, TO2937, TO2938, TO2939, TO2940, TO2941, TO2942, TO2943, TO2944, TO2945, TO2946, TO2947, TO2948, TO2949, TO2950",
  "remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": "TO2924 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 8.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 windowsdesktop-runtime-8.0.30), TO2925 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 8.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 windowsdesktop-runtime-8.0.30), TO2926 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 8.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 dotnet-runtime-8.0.30), TO2927 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 8.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 dotnet-runtime-8.0.30), TO2928 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 8.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 dotnet-sdk-8.0.130), TO2929 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 8.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 dotnet-sdk-8.0.424), TO2930 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 8.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 dotnet-sdk-8.0.130), TO2931 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 8.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 dotnet-sdk-8.0.424), TO2932 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 8.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 ASP.NET Core Hosting Bundle 8.0.30), TO2933 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 8.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 ASP.NET Core Runtime 8.0.30), TO2934 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 8.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 ASP.NET Core Runtime 8.0.30), TO2935 \u041d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET Framework 3.5 \u0438 4.8.1 \u0434\u043b\u044f Windows 10 21H2 \u0434\u043b\u044f x64 \u0441\u0438\u0441\u0442\u0435\u043c (KB5120709), TO2936 \u041d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET Framework 3.5 \u0438 4.8 \u0434\u043b\u044f Windows 10 21H2 \u0434\u043b\u044f x64 \u0441\u0438\u0441\u0442\u0435\u043c (KB5120701), TO2937 \u041d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET Framework 3.5 \u0438 4.7.2 \u0434\u043b\u044f Windows Server 2019 \u0434\u043b\u044f x64 \u0441\u0438\u0441\u0442\u0435\u043c (KB5120698), TO2938 \u041d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET Framework 3.5 \u0438 4.8.1 \u0434\u043b\u044f Windows 11 24H2 \u0434\u043b\u044f x64 \u0441\u0438\u0441\u0442\u0435\u043c (KB5120710), TO2939 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 9.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 dotnet-runtime-9.0.19), TO2940 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 9.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 dotnet-runtime-9.0.19), TO2941 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 9.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 dotnet-sdk-9.0.120), TO2942 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 9.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 dotnet-sdk-9.0.120), TO2943 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 9.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 dotnet-sdk-9.0.317), TO2944 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 9.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 dotnet-sdk-9.0.317), TO2945 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 10.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 dotnet-runtime-10.0.11), TO2946 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 10.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 windowsdesktop-runtime-10.0.11), TO2947 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 10.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 windowsdesktop-runtime-10.0.11), TO2948 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 10.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 dotnet-sdk-10.0.111), TO2949 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 10.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 dotnet-sdk-10.0.303), TO2950 \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 .NET 10.0 (\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 dotnet-sdk-10.0.303)",
  "\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "\u041e\u041e\u041e \u00ab\u0420\u0435\u0434 \u0421\u043e\u0444\u0442\u00bb, Microsoft Corp",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "7.3 (\u0420\u0415\u0414 \u041e\u0421), 8.0 (\u0420\u0415\u0414 \u041e\u0421), \u043e\u0442 8.0 \u0434\u043e 8.0.30 (.NET), \u043e\u0442 9.0 \u0434\u043e 9.0.19 (.NET), \u043e\u0442 17.14 \u0434\u043e 17.14.38 (Microsoft Visual Studio 2022), \u043e\u0442 18.8 \u0434\u043e 18.8.3 (Microsoft Visual Studio 2026), \u043e\u0442 10.0 \u0434\u043e 10.0.11 (.NET), \u0434\u043e 4.8.9344.0 (Microsoft .NET Framework 4.8.1), \u0434\u043e 2.0.50727.9183 (Microsoft .NET Framework 3.5), \u0434\u043e 3.0.30729.9169 (Microsoft .NET Framework 3.5), \u0434\u043e 2.0.50727.9070 (Microsoft .NET Framework 3.5), \u0434\u043e 3.0.30729.9068 (Microsoft .NET Framework 3.5), \u0434\u043e 4.7.4144.0 (Microsoft .NET Framework 3.5), \u0434\u043e 4.8.4805.0 (Microsoft .NET Framework 3.5), \u0434\u043e 2.0.50727.9070 (Microsoft .NET Framework 4.7.2), \u0434\u043e 3.0.30729.9068 (Microsoft .NET Framework 4.7.2), \u0434\u043e 4.7.4144.0 (Microsoft .NET Framework 4.7.2), \u0434\u043e 2.0.50727.9070 (Microsoft .NET Framework 4.8), \u0434\u043e 3.0.30729.9068 (Microsoft .NET Framework 4.8), \u0434\u043e 4.8.4805.0 (Microsoft .NET Framework 4.8), \u0434\u043e 2.0.50727.8984 (Microsoft .NET Framework 3.5), \u0434\u043e 3.0.30729.8980 (Microsoft .NET Framework 3.5), \u0434\u043e 4.8.9344.0 (Microsoft .NET Framework 3.5), \u0434\u043e 4.8.9343.0 (Microsoft .NET Framework 3.5), \u0434\u043e 2.0.50727.9183 (Microsoft .NET Framework 4.8), \u0434\u043e 3.0.30729.9169 (Microsoft .NET Framework 4.8), \u0434\u043e 2.0.50727.9183 (Microsoft .NET Framework 4.8.1), \u0434\u043e 3.0.30729.9169 (Microsoft .NET Framework 4.8.1), \u0434\u043e 4.8.9343.0 (Microsoft .NET Framework 4.8.1), \u0434\u043e 2.0.50727.8984 (Microsoft .NET Framework 4.6.2), \u0434\u043e 3.0.30729.8980 (Microsoft .NET Framework 4.6.2), \u0434\u043e 4.7.4144.0 (Microsoft .NET Framework 4.6.2), \u0434\u043e 2.0.50727.8984 (Microsoft .NET Framework 4.7), \u0434\u043e 3.0.30729.8980 (Microsoft .NET Framework 4.7), \u0434\u043e 4.7.4144.0 (Microsoft .NET Framework 4.7), \u0434\u043e 2.0.50727.8984 (Microsoft .NET Framework 4.7.1), \u0434\u043e 3.0.30729.8980 (Microsoft .NET Framework 4.7.1), \u0434\u043e 4.7.4144.0 (Microsoft .NET Framework 4.7.1), \u0434\u043e 2.0.50727.8984 (Microsoft .NET Framework 4.7.2), \u0434\u043e 3.0.30729.8980 (Microsoft .NET Framework 4.7.2)",
  "\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043c\u0435\u0440\u044b \u043f\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e": "\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f:\nhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70354\n\n\u0414\u043b\u044f \u0420\u0435\u0434 \u041e\u0421: \nhttp://repo.red-soft.ru/redos/7.3c/x86_64/updates/\n\n\u0414\u043b\u044f \u0420\u0435\u0434 \u041e\u0421: \nhttp://repo.red-soft.ru/redos/8.0/x86_64/updates/",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "11.08.2026",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "23.09.2026",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "23.09.2026",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2026-15094",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "CVE-2026-70354",
  "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430",
  "\u041a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u0434\u0430",
  "\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "\u0420\u0415\u0414 \u041e\u0421 (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21163751), .NET, Microsoft Visual Studio 2022, Microsoft Visual Studio 2026, Microsoft .NET Framework 4.8.1, Microsoft .NET Framework 3.5, Microsoft .NET Framework 4.7.2, Microsoft .NET Framework 4.8, Microsoft .NET Framework 4.6.2, Microsoft .NET Framework 4.7, Microsoft .NET Framework 4.7.1",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": "Microsoft Corp Windows Server 2012 - , Microsoft Corp Windows Server 2012 R2 - , Microsoft Corp Windows 10 1607 - 64-bit, Microsoft Corp Windows 10 1607 - 32-bit, Microsoft Corp Windows Server 2016 - , Microsoft Corp Windows Server 2012 R2 (Server Core installation) - , Microsoft Corp Windows Server 2016 (Server Core installation) - , Microsoft Corp Windows 10 1809 - 64-bit, Microsoft Corp Windows 10 1809 - 32-bit, Microsoft Corp Windows Server 2019 - , Microsoft Corp Windows Server 2019 (Server Core installation) - , Microsoft Corp Windows 10 1809 - ARM64, Microsoft Corp Windows Server 2022 - , Microsoft Corp Windows Server 2022 (Server Core installation) - , \u041e\u041e\u041e \u00ab\u0420\u0435\u0434 \u0421\u043e\u0444\u0442\u00bb \u0420\u0415\u0414 \u041e\u0421 7.3  (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21163751), Microsoft Corp Windows 10 21H2 - 64-bit, Microsoft Corp Windows 10 21H2 - 32-bit, Microsoft Corp Windows 10 21H2 - ARM64, Microsoft Corp Windows 10 22H2 - 64-bit, Microsoft Corp Windows 10 22H2 - ARM64, Microsoft Corp Windows 10 22H2 - 32-bit, Microsoft Corp Windows Server 2012 (Server Core installation) - , Microsoft Corp Windows 11 23H2 - 64-bit, Microsoft Corp Windows 11 23H2 - ARM64, Microsoft Corp Windows 11 24H2 - 64-bit, Microsoft Corp Windows 11 24H2 - ARM64, Microsoft Corp Windows Server 2025 - , Microsoft Corp Windows Server 2025 (Server Core installation) - , Microsoft Corp Windows 11 25H2 - 64-bit, Microsoft Corp Windows 11 25H2 - ARM64, \u041e\u041e\u041e \u00ab\u0420\u0435\u0434 \u0421\u043e\u0444\u0442\u00bb \u0420\u0415\u0414 \u041e\u0421 8.0  (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21163751), Microsoft Corp Windows 11 26H1 - ARM64, Microsoft Corp Windows 11 26H1 - 64-bit",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b .NET \u0438 \u0440\u0435\u0434\u0430\u043a\u0442\u043e\u0440\u0430 \u0438\u0441\u0445\u043e\u0434\u043d\u043e\u0433\u043e \u043a\u043e\u0434\u0430 Visual Studio Code, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u0430\u044f \u0441 \u0437\u0430\u043f\u0438\u0441\u044c\u044e \u0437\u0430 \u0433\u0440\u0430\u043d\u0438\u0446\u0430\u043c\u0438 \u0431\u0443\u0444\u0435\u0440\u0430 \u043f\u0430\u043c\u044f\u0442\u0438, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043e\u0442\u043a\u0430\u0437 \u0432 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0438",
  "\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u0417\u0430\u043f\u0438\u0441\u044c \u0437\u0430 \u0433\u0440\u0430\u043d\u0438\u0446\u0430\u043c\u0438 \u0431\u0443\u0444\u0435\u0440\u0430 (CWE-787)",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b .NET \u0438 \u0440\u0435\u0434\u0430\u043a\u0442\u043e\u0440\u0430 \u0438\u0441\u0445\u043e\u0434\u043d\u043e\u0433\u043e \u043a\u043e\u0434\u0430 Visual Studio Code \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u0437\u0430\u043f\u0438\u0441\u044c\u044e \u0437\u0430 \u0433\u0440\u0430\u043d\u0438\u0446\u0430\u043c\u0438 \u0431\u0443\u0444\u0435\u0440\u0430 \u043f\u0430\u043c\u044f\u0442\u0438. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u043c\u0443 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e, \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043e\u0442\u043a\u0430\u0437 \u0432 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0438",
  "\u041f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": null,
  "\u041f\u0440\u043e\u0447\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f": null,
  "\u0421\u0432\u044f\u0437\u044c \u0441 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0430\u043c\u0438 \u0418\u0411": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f": "\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u041c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u0445",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70354\nhttps://redos.red-soft.ru/support/secure/",
  "\u0421\u0442\u0430\u0442\u0443\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c",
  "\u0422\u0438\u043f \u041f\u041e": "\u041e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430, \u041f\u0440\u0438\u043a\u043b\u0430\u0434\u043d\u043e\u0435 \u041f\u041e \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-787",
  "\u0423\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 7,2)\n\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.1 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 7,8)"
}

CVE-2026-70354 (GCVE-0-2026-70354)

Vulnerability from cvelistv5 – Published: 2026-08-11 17:07 – Updated: 2026-09-29 20:22

Title

.NET Core Remote Code Execution Vulnerability

Summary

Out-of-bounds write in .NET allows an unauthorized attacker to execute code locally.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-12 16:10 UTC

CWE

CWE-787 - Out-of-bounds Write

Assigner

microsoft mitre root Scorecard

References

1 reference

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerabi…	vendor-advisorypatch

Impacted products

13 products

Vendor	Product	Version
Microsoft	.NET 10.0	Affected: 10.0.0 , < 10.0.11 (custom)
Microsoft	.NET 8.0	Affected: 8.0.0 , < 8.0.30 (custom)
Microsoft	.NET 9.0	Affected: 9.0.0 , < 9.0.19 (custom)
Microsoft	Microsoft .NET Framework 3.5	Affected: 3.5.0 , < 2.0.50727.8984 & 3.0.30729.8980 (custom)
Microsoft	Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2	Affected: 3.0.0.0 , < 2.0.50727.8984 & 3.0.30729.8980 & 4.7.4144.0 (custom)
Microsoft	Microsoft .NET Framework 3.5 AND 4.7.2	Affected: 4.7.0 , < 2.0.50727.9070 & 3.0.30729.9068 & 4.7.4144.0 (custom)
Microsoft	Microsoft .NET Framework 3.5 AND 4.8	Affected: 4.8.0 , < 2.0.50727.9070 & 3.0.30729.9068 & 4.8.4805.0 (custom)
Microsoft	Microsoft .NET Framework 3.5 AND 4.8.1	Affected: 4.8.1 , < 2.0.50727.9183 & 3.0.30729.9169 & 4.8.9343.0 (custom)
Microsoft	Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2	Affected: 4.7.0 , < 4.7.4144.0 (custom)
Microsoft	Microsoft .NET Framework 4.8	Affected: 4.8.0 , < 4.8.4805.0 (custom)
Microsoft	Microsoft .NET Framework 4.8.1	Affected: 4.8.0.0 , < 4.8.9344.0 (custom)
Microsoft	Microsoft Visual Studio 2022 version 17.14	Affected: 17.14.0 , < 17.14.38 (custom)
Microsoft	Microsoft Visual Studio 2026 version 18.8	Affected: 18.0 , < 18.8.3 (custom)

Date Public

2026-08-11 14:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-70354",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-12T16:10:48.671638Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-12T16:58:44.050Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": ".NET 10.0",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "10.0.11",
              "status": "affected",
              "version": "10.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": ".NET 8.0",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "8.0.30",
              "status": "affected",
              "version": "8.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": ".NET 9.0",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "9.0.19",
              "status": "affected",
              "version": "9.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "Windows 11 Version 26H1 for ARM64-based Systems",
            "Windows 11 version 26H1 for x64-based Systems",
            "Windows Server 2012",
            "Windows Server 2012 (Server Core installation)",
            "Windows Server 2012 R2",
            "Windows Server 2012 R2 (Server Core installation)"
          ],
          "product": "Microsoft .NET Framework 3.5",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "2.0.50727.8984 \u0026 3.0.30729.8980",
              "status": "affected",
              "version": "3.5.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "Windows 10 Version 1607 for 32-bit Systems",
            "Windows 10 Version 1607 for x64-based Systems",
            "Windows Server 2016",
            "Windows Server 2016 (Server Core installation)"
          ],
          "product": "Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "2.0.50727.8984 \u0026 3.0.30729.8980 \u0026 4.7.4144.0",
              "status": "affected",
              "version": "3.0.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "Windows 10 Version 1809 for 32-bit Systems",
            "Windows 10 Version 1809 for ARM64-based Systems",
            "Windows 10 Version 1809 for x64-based Systems",
            "Windows Server 2019",
            "Windows Server 2019 (Server Core installation)"
          ],
          "product": "Microsoft .NET Framework 3.5 AND 4.7.2",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "2.0.50727.9070 \u0026 3.0.30729.9068 \u0026 4.7.4144.0",
              "status": "affected",
              "version": "4.7.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "Windows 10 Version 1809 for 32-bit Systems",
            "Windows 10 Version 1809 for ARM64-based Systems",
            "Windows 10 Version 1809 for x64-based Systems",
            "Windows 10 Version 21H2 for 32-bit Systems",
            "Windows 10 Version 21H2 for ARM64-based Systems",
            "Windows 10 Version 21H2 for x64-based Systems",
            "Windows 10 Version 22H2 for 32-bit Systems",
            "Windows 10 Version 22H2 for ARM64-based Systems",
            "Windows 10 Version 22H2 for x64-based Systems",
            "Windows Server 2019",
            "Windows Server 2019 (Server Core installation)",
            "Windows Server 2022",
            "Windows Server 2022 (Server Core installation)"
          ],
          "product": "Microsoft .NET Framework 3.5 AND 4.8",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "2.0.50727.9070 \u0026 3.0.30729.9068 \u0026 4.8.4805.0",
              "status": "affected",
              "version": "4.8.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "Windows 10 Version 21H2 for 32-bit Systems",
            "Windows 10 Version 21H2 for ARM64-based Systems",
            "Windows 10 Version 21H2 for x64-based Systems",
            "Windows 10 Version 22H2 for 32-bit Systems",
            "Windows 10 Version 22H2 for ARM64-based Systems",
            "Windows 10 Version 22H2 for x64-based Systems",
            "Windows 11 Version 23H2 for ARM64-based Systems",
            "Windows 11 Version 23H2 for x64-based Systems",
            "Windows 11 Version 24H2 for ARM64-based Systems",
            "Windows 11 Version 24H2 for x64-based Systems",
            "Windows 11 Version 25H2 for ARM64-based Systems",
            "Windows 11 Version 25H2 for x64-based Systems",
            "Windows Server 2022",
            "Windows Server 2022 (Server Core installation)",
            "Windows Server 2025",
            "Windows Server 2025 (Server Core installation)"
          ],
          "product": "Microsoft .NET Framework 3.5 AND 4.8.1",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "2.0.50727.9183 \u0026 3.0.30729.9169 \u0026 4.8.9343.0",
              "status": "affected",
              "version": "4.8.1",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "Windows Server 2012",
            "Windows Server 2012 (Server Core installation)",
            "Windows Server 2012 R2",
            "Windows Server 2012 R2 (Server Core installation)"
          ],
          "product": "Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "4.7.4144.0",
              "status": "affected",
              "version": "4.7.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "Windows 10 Version 1607 for 32-bit Systems",
            "Windows 10 Version 1607 for x64-based Systems",
            "Windows Server 2012",
            "Windows Server 2012 (Server Core installation)",
            "Windows Server 2012 R2",
            "Windows Server 2012 R2 (Server Core installation)",
            "Windows Server 2016",
            "Windows Server 2016 (Server Core installation)"
          ],
          "product": "Microsoft .NET Framework 4.8",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "4.8.4805.0",
              "status": "affected",
              "version": "4.8.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "Windows 11 Version 26H1 for ARM64-based Systems",
            "Windows 11 version 26H1 for x64-based Systems"
          ],
          "product": "Microsoft .NET Framework 4.8.1",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "4.8.9344.0",
              "status": "affected",
              "version": "4.8.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Microsoft Visual Studio 2022 version 17.14",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "17.14.38",
              "status": "affected",
              "version": "17.14.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Microsoft Visual Studio 2026 version 18.8",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "18.8.3",
              "status": "affected",
              "version": "18.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:microsoft:.net_framework:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "2.0.50727.8984 \u0026 3.0.30729.8980 \u0026 4.7.4144.0",
                  "versionStartIncluding": "3.0.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "2.0.50727.8984 \u0026 3.0.30729.8980",
                  "versionStartIncluding": "3.5.0",
                  "vulnerable": true
                },
                {
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                  "versionStartIncluding": "4.8.0",
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                {
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                {
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                {
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                {
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                },
                {
                  "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "9.0.19",
                  "versionStartIncluding": "9.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "8.0.30",
                  "versionStartIncluding": "8.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "10.0.11",
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                },
                {
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              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "datePublic": "2026-08-11T14:00:00.000Z",
      "descriptions": [
        {
          "lang": "en-US",
          "value": "Out-of-bounds write in .NET allows an unauthorized attacker to execute code locally."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-787",
              "description": "CWE-787: Out-of-bounds Write",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-29T20:22:48.689Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "name": ".NET Core Remote Code Execution Vulnerability",
          "tags": [
            "vendor-advisory",
            "patch"
          ],
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70354"
        }
      ],
      "title": ".NET Core Remote Code Execution Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
    "assignerShortName": "microsoft",
    "cveId": "CVE-2026-70354",
    "datePublished": "2026-08-11T17:07:15.162Z",
    "dateReserved": "2026-08-04T00:04:56.037Z",
    "dateUpdated": "2026-09-29T20:22:48.689Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

BDU:2026-15094 (CVE-2026-70354)

CVE-2026-70354 (GCVE-0-2026-70354)

Tags

Sightings

Nomenclature

Related by attack behaviour