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CVE-2026-96238

.NET Security Feature Bypass Vulnerability

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 10.0.113, 11.0.100-rc.2, 8.0.426, 9.0.122, 17.14.42, and 1 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

Origin validation error in .NET allows an unauthorized attacker to bypass a security feature over a network.

Timeline

  1. CVE published
  2. CISA SSVC assessment

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

  3. Record last updated

Affected versions

  • Microsoft .NET 10.0 runtime

    From 10.0.0 · fixed in 10.0.113

  • Microsoft .NET 11.0 runtime

    From 11.0.0 · fixed in 11.0.100-rc.2

  • Microsoft .NET 8.0 runtime

    From 8.0.0 · fixed in 8.0.426

  • Microsoft .NET 9.0 runtime

    From 9.0.0 · fixed in 9.0.122

  • Microsoft Microsoft Visual Studio 2022 version 17.14

    From 17.14.0 · fixed in 17.14.42

  • Microsoft Microsoft Visual Studio 2026 version 18.10

    From 18.10.0 · fixed in 18.10.4

References 1

msrc.microsoft.com