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bdu:2026-15089

BELL-CVE-2026-62886

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

BIT-dotnet-2026-62886 — .NET Elevation of Privilege Vulnerability

Affected: Bitnami: dotnet

Integer overflow or wraparound in .NET allows an unauthorized attacker to elevate privileges locally.

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-2026-378645

fkie_cve-2026-62886

Integer overflow or wraparound in .NET allows an unauthorized attacker to elevate privileges locally.

GHSA-jqhp-238x-qhgf — Microsoft Security Advisory CVE-2026-62886 – .NET Elevation of Privilege Vulnerability

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

## Executive summary

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

An integer overflow or wraparound in .NET allows an unauthorized attacker to elevate privileges locally.

## Announcement

Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/430

## CVSS Details

- **Version:** 3.1 - **Severity:** High - **Score:** 7.8 - **Vector:** `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` - **Weakness:** CWE-190: Integer Overflow or Wraparound; CWE-122: Heap-based Buffer Overflow

## 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.WindowsDesktop.App.Runtime.win-arm64](https://www.nuget.org/packages/Microsoft.WindowsDesktop.App.Runtime.win-arm64) | >= 10.0.0, <= 10.0.10 | 10.0.11 [Microsoft.WindowsDesktop.App.Runtime.win-x64](https://www.nuget.org/packages/Microsoft.WindowsDesktop.App.Runtime.win-x64) | >= 10.0.0, <= 10.0.10 | 10.0.11 [Microsoft.WindowsDesktop.App.Runtime.win-x86](https://www.nuge…

msrc_CVE-2026-62886 — .NET Elevation of Privilege Vulnerability

msrc_CVE-2026-62886

NCSC-2026-0285 — Kwetsbaarheden verholpen in Microsoft Developer Tools

NCSC-2026-0285

UBUNTU-CVE-2026-62886

Affected: Ubuntu:22.04:LTS: dotnet7

Integer overflow or wraparound in .NET allows an unauthorized attacker to elevate privileges locally.

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.