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CVE-2026-62886BIT-DOTNET-2026-62886BIT-DOTNET-SDK-2026-62886GHSA-JQHP-238X-QHGF

.NET Elevation of Privilege Vulnerability

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 2.0.50727.9070 & 3.0.30729.9068 & 4.7.4145.0, 4.7.4145.0, 4.8.4806.0, 4.8.9347.0, 18.8.3, and 3 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

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

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • Microsoft Microsoft .NET Framework 3.5

    Version range not reported

  • Microsoft Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2

    Version range not reported

  • Microsoft Microsoft .NET Framework 3.5 AND 4.7.2

    From 4.7.0 · fixed in 2.0.50727.9070 & 3.0.30729.9068 & 4.7.4145.0

  • Microsoft Microsoft .NET Framework 3.5 AND 4.8

    Version range not reported

  • Microsoft Microsoft .NET Framework 3.5 AND 4.8.1

    Version range not reported

  • Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2

    From 4.7.0 · fixed in 4.7.4145.0

  • Microsoft Microsoft .NET Framework 4.8

    From 4.8.0 · fixed in 4.8.4806.0

  • Microsoft Microsoft .NET Framework 4.8.1

    From 4.8.0.0 · fixed in 4.8.9347.0

  • Microsoft Microsoft Visual Studio 2026 version 18.8

    From 18.0 · fixed in 18.8.3

  • dotnetBitnami

    From 8.0.0 · fixed in 8.0.30; From 9.0.0 · fixed in 9.0.19; From 10.0.0 · fixed in 10.0.11

  • dotnet-sdkBitnami

    From 8.0.0 · fixed in 8.0.30; From 9.0.0 · fixed in 9.0.19; From 10.0.0 · fixed in 10.0.11

  • Microsoft.WindowsDesktop.App.Runtime.win-arm64NuGet

    From 10.0.0 · fixed in 10.0.11

  • Microsoft.WindowsDesktop.App.Runtime.win-x64NuGet

    From 10.0.0 · fixed in 10.0.11

  • Microsoft.WindowsDesktop.App.Runtime.win-x86NuGet

    From 10.0.0 · fixed in 10.0.11

  • Microsoft.WindowsDesktop.App.Runtime.win-arm64NuGet

    From 9.0.0 · fixed in 9.0.19

  • Microsoft.WindowsDesktop.App.Runtime.win-x64NuGet

    From 9.0.0 · fixed in 9.0.19

  • Microsoft.WindowsDesktop.App.Runtime.win-x86NuGet

    From 9.0.0 · fixed in 9.0.19

  • Microsoft.WindowsDesktop.App.Runtime.win-arm64NuGet

    From 8.0.0 · fixed in 8.0.30

  • Microsoft.WindowsDesktop.App.Runtime.win-x64NuGet

    From 8.0.0 · fixed in 8.0.30

  • Microsoft.WindowsDesktop.App.Runtime.win-x86NuGet

    From 8.0.0 · fixed in 8.0.30

References 1

msrc.microsoft.com