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bdu:2026-15090

BELL-CVE-2026-62898

Affected: Alpaquita:25: dotnet8-runtime, Alpaquita:stream: dotnet8-runtime

BIT-dotnet-2026-62898 — Microsoft QUIC Information Disclosure Vulnerability

Affected: Bitnami: dotnet

Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.

certfr-2026-avi-1001 — De multiples vulnérabilités ont été découvertes dans Microsoft Windows. Certaines d'entre elles permettent à un attaqua…

certfr-2026-avi-1001

EUVD-2026-378735

fkie_cve-2026-62898

Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.

GHSA-c494-m2fq-59mx — Microsoft Security Advisory CVE-2026-62898 – .NET Information Disclosure Vulnerability

Affected: NuGet: Microsoft.NETCore.App.Runtime.win-arm64, NuGet: Microsoft.NETCore.App.Runtime.win-x64, NuGet: Microsoft.NETCore.App.Runtime.win-x86

## Executive summary

Microsoft is releasing this security advisory to provide information about a vulnerability in Microsoft QUIC. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.

A use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.

## Announcement

Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/426

## CVSS Details

- **Version:** 3.1 - **Severity:** High - **Score:** 7.5 - **Vector:** `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C` - **Weakness:** CWE-416: Use After Free

## Affected Platforms

- **Platforms:** Windows - **Architectures:** All

## <a name="affected-packages"></a>Affected Packages The vulnerability affects any Microsoft .NET project if it uses any of affected package versions listed below

### <a name=".NET 10"></a>.NET 10 Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- [Microsoft.NETCore.App.Runtime.win-arm64](https://www.nuget.org/packages/Microsoft.NETCore.App.Runtime.win-arm64) | >= 10.0.0, <= 10.0.10 | 10.0.11 [Microsoft.NETCore.App.Runtime.win-x64](https://www.nuget.org/packages/Microsoft.NETCore.App.Runtime.win-x64) | >= 10.0.0, <= 10.0.10 | 10.0.11 [Microsoft.NETCore.App.Runtime.win-x86](https://www.nuget.org/packages/Microsoft.NETCore.App.Runtime.win-x86) | >= 10.0.0, <= 10.0.10 | 10.0.11

### <a name=".…

msrc_CVE-2026-62898 — Microsoft QUIC Information Disclosure Vulnerability

msrc_CVE-2026-62898

UBUNTU-CVE-2026-62898

Affected: Ubuntu:22.04:LTS: dotnet7

Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.

WID-SEC-W-2026-2761 — Microsoft Developer Tools: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in Microsoft Visual Studio Code, Microsoft Windows Server 2012, Microsoft Windows Server 2012 R2, Microsoft Windows Server 2016, Microsoft .NET Framework, Microsoft Windows Server 2019, Microsoft Windows Server 2022, Microsoft Windows Server 2025, Microsoft PowerShell, Microsoft Windows, Microsoft .NET, Microsoft Visual Studio 2022 und Microsoft Visual Studio 2026 ausnutzen, um beliebigen Programmcode auszuführen, um seine Privilegien zu erhöhen, um einen Denial of Service Angriff durchzuführen, um Informationen offenzulegen, und um Sicherheitsvorkehrungen zu umgehen.