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CVE-2026-32178GHSA-VMWF-M9C5-3JVCBIT-DOTNET-2026-32178BIT-DOTNET-SDK-2026-32178

.NET Spoofing Vulnerability

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 10.0.6, 8.0.26, 9.0.15, 17.12.19, 17.14.30
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

Improper neutralization of special elements in .NET allows an unauthorized attacker to perform spoofing over a network.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • Microsoft .NET 10.0

    From 10.0.0 · fixed in 10.0.6

  • Microsoft .NET 8.0

    From 8.0 · fixed in 8.0.26

  • Microsoft .NET 8.0

    From 8.0.0 · fixed in 8.0.26

  • Microsoft .NET 9.0

    From 9.0.0 · fixed in 9.0.15

  • Microsoft Microsoft Visual Studio 2022 version 17.12

    From 17.12.0 · fixed in 17.12.19

  • Microsoft Microsoft Visual Studio 2022 version 17.14

    From 17.14.0 · fixed in 17.14.30

  • Microsoft.NetCore.App.Runtime.linux-armNuGet

    From 10.0.0 · fixed in 10.0.6

  • Microsoft.NetCore.App.Runtime.linux-musl-armNuGet

    From 10.0.0 · fixed in 10.0.6

  • Microsoft.NetCore.App.Runtime.linux-arm64NuGet

    From 10.0.0 · fixed in 10.0.6

  • Microsoft.NetCore.App.Runtime.linux-musl-x64NuGet

    From 10.0.0 · fixed in 10.0.6

  • Microsoft.NetCore.App.Runtime.linux-musl-arm64NuGet

    From 10.0.0 · fixed in 10.0.6

  • Microsoft.NetCore.App.Runtime.linux-x64NuGet

    From 10.0.0 · fixed in 10.0.6

  • Microsoft.NetCore.App.Runtime.osx-arm64NuGet

    From 10.0.0 · fixed in 10.0.6

  • Microsoft.NetCore.App.Runtime.osx-x64NuGet

    From 10.0.0 · fixed in 10.0.6

  • Microsoft.NetCore.App.Runtime.win-armNuGet

    From 10.0.0 · fixed in 10.0.6

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

    From 10.0.0 · fixed in 10.0.6

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

    From 10.0.0 · fixed in 10.0.6

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

    From 10.0.0 · fixed in 10.0.6

  • Microsoft.NetCore.App.Runtime.linux-armNuGet

    From 9.0.0 · fixed in 9.0.15

  • Microsoft.NetCore.App.Runtime.linux-arm64NuGet

    From 9.0.0 · fixed in 9.0.15

  • Microsoft.NetCore.App.Runtime.linux-musl-armNuGet

    From 9.0.0 · fixed in 9.0.15

  • Microsoft.NetCore.App.Runtime.linux-musl-arm64NuGet

    From 9.0.0 · fixed in 9.0.15

  • Microsoft.NetCore.App.Runtime.linux-musl-x64NuGet

    From 9.0.0 · fixed in 9.0.15

  • Microsoft.NetCore.App.Runtime.linux-x64NuGet

    From 9.0.0 · fixed in 9.0.15

  • Microsoft.NetCore.App.Runtime.osx-arm64NuGet

    From 9.0.0 · fixed in 9.0.15

  • Microsoft.NetCore.App.Runtime.osx-x64NuGet

    From 9.0.0 · fixed in 9.0.15

  • Microsoft.NetCore.App.Runtime.win-armNuGet

    From 9.0.0 · fixed in 9.0.15

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

    From 9.0.0 · fixed in 9.0.15

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

    From 9.0.0 · fixed in 9.0.15

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

    From 9.0.0 · fixed in 9.0.15

  • Microsoft.NetCore.App.Runtime.linux-armNuGet

    From 8.0.0 · fixed in 8.0.26

  • Microsoft.NetCore.App.Runtime.linux-arm64NuGet

    From 8.0.0 · fixed in 8.0.26

  • Microsoft.NetCore.App.Runtime.linux-musl-armNuGet

    From 8.0.0 · fixed in 8.0.26

  • Microsoft.NetCore.App.Runtime.linux-musl-arm64NuGet

    From 8.0.0 · fixed in 8.0.26

  • Microsoft.NetCore.App.Runtime.linux-musl-x64NuGet

    From 8.0.0 · fixed in 8.0.26

  • Microsoft.NetCore.App.Runtime.linux-x64NuGet

    From 8.0.0 · fixed in 8.0.26

  • Microsoft.NetCore.App.Runtime.osx-arm64NuGet

    From 8.0.0 · fixed in 8.0.26

  • Microsoft.NetCore.App.Runtime.osx-x64NuGet

    From 8.0.0 · fixed in 8.0.26

  • Microsoft.NetCore.App.Runtime.win-armNuGet

    From 8.0.0 · fixed in 8.0.26

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

    From 8.0.0 · fixed in 8.0.26

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

    From 8.0.0 · fixed in 8.0.26

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

    From 8.0.0 · fixed in 8.0.26

References 1

msrc.microsoft.com