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CVE-2026-85790

Microsoft QUIC Information Disclosure Vulnerability

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 17.14.42, 18.10.4, 2.6.2, 10.0.22631.7652, 10.0.26100.9711, and 5 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information 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 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

  • Microsoft Microsoft.Native.Quic.MsQuic.Schannel

    From 1.9.0 · fixed in 2.6.2

  • Microsoft Windows 11 version 23H2

    From 10.0.22631.0 · fixed in 10.0.22631.7652

  • Microsoft Windows 11 Version 23H2

    From 10.0.22631.0 · fixed in 10.0.22631.7652

  • Microsoft Windows 11 Version 24H2

    From 10.0.26100.0 · fixed in 10.0.26100.9711

  • Microsoft Windows 11 Version 25H2

    From 10.0.26200.0 · fixed in 10.0.26200.9711

  • Microsoft Windows 11 version 26H1

    From 10.0.28000.0 · fixed in 10.0.28000.3231

  • Microsoft Windows 11 Version 26H2

    From 10.0.26300.0 · fixed in 10.0.26300.9711

  • Microsoft Windows Server 2022

    From 10.0.20348.0 · fixed in 10.0.20348.5761

  • Microsoft Windows Server 2025

    From 10.0.26100.0 · fixed in 10.0.26100.33650

  • Microsoft Windows Server 2025 (Server Core installation)

    From 10.0.26100.0 · fixed in 10.0.26100.33650

References 1

msrc.microsoft.com