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CVE-2026-35433GHSA-8X9C-MQXV-Q2PPBIT-DOTNET-2026-35433BIT-DOTNET-SDK-2026-35433

.NET Elevation of Privilege Vulnerability

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 10.0.8, 8.0.27, 9.0.16
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

Improper input validation 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 .NET 10.0

    From 10.0.0 · fixed in 10.0.8

  • Microsoft .NET 8.0

    From 8.0.0 · fixed in 8.0.27

  • Microsoft .NET 9.0

    From 9.0.0 · fixed in 9.0.16

  • Microsoft Microsoft .NET Framework 3.5

    Version range not reported

  • Microsoft Microsoft .NET Framework 3.5 AND 4.7.2

    Version range not reported

  • 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 4.8

    Version range not reported

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

    From 8.0.0 · fixed in 8.0.27

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

    From 8.0.0 · fixed in 8.0.27

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

    From 8.0.0 · fixed in 8.0.27

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

    From 9.0.0 · fixed in 9.0.16

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

    From 9.0.0 · fixed in 9.0.16

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

    From 9.0.0 · fixed in 9.0.16

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

    From 10.0.0 · fixed in 10.0.8

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

    From 10.0.0 · fixed in 10.0.8

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

    From 10.0.0 · fixed in 10.0.8

References 1

msrc.microsoft.com