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CVE-2025-55247GHSA-W3Q9-FXM7-J8FQBIT-DOTNET-2025-55247BIT-DOTNET-SDK-2025-55247

.NET Elevation of Privilege Vulnerability

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 8.0.21, 9.0.10, 18.0.0-preview-25476-107, 17.14.28, 17.12.50, and 3 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

Improper link resolution before file access ('link following') in .NET allows an authorized 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 8.0

    From 8.0.0 · fixed in 8.0.21

  • Microsoft .NET 9.0

    From 9.0.0 · fixed in 9.0.10

  • Microsoft.Build.Tasks.CoreNuGet

    From 17.15.0-preview-25277-114 · fixed in 18.0.0-preview-25476-107

  • Microsoft.Build.Tasks.CoreNuGet

    From 17.14.0 · fixed in 17.14.28

  • Microsoft.Build.Tasks.CoreNuGet

    From 17.12.0 · fixed in 17.12.50

  • Microsoft.Build.Tasks.CoreNuGet

    From 17.11.0 · fixed in 17.11.48

  • Microsoft.Build.Tasks.CoreNuGet

    From 17.10.0 · fixed in 17.10.46

  • Microsoft.Build.Tasks.CoreNuGet

    From 17.8.0 · fixed in 17.8.43

  • Microsoft.BuildNuGet

    From 17.15.0-preview-25277-114 · fixed in 18.0.0-preview-25476-107

  • Microsoft.BuildNuGet

    From 17.14.0 · fixed in 17.14.28

  • Microsoft.BuildNuGet

    From 17.12.0 · fixed in 17.12.50

  • Microsoft.BuildNuGet

    From 17.11.0 · fixed in 17.11.48

  • Microsoft.BuildNuGet

    From 17.10.0 · fixed in 17.10.46

  • Microsoft.BuildNuGet

    From 17.8.0 · fixed in 17.8.43

  • Microsoft.Build.Utilities.CoreNuGet

    From 17.15.0-preview-25277-114 · fixed in 18.0.0-preview-25476-107

  • Microsoft.Build.Utilities.CoreNuGet

    From 17.14.0 · fixed in 17.14.28

  • Microsoft.Build.Utilities.CoreNuGet

    From 17.12.0 · fixed in 17.12.50

  • Microsoft.Build.Utilities.CoreNuGet

    From 17.11.0 · fixed in 17.11.48

  • Microsoft.Build.Utilities.CoreNuGet

    From 17.10.0 · fixed in 17.10.46

  • Microsoft.Build.Utilities.CoreNuGet

    From 17.8.0 · fixed in 17.8.43

References 1

msrc.microsoft.com