CVE-2025-29833CriticalCVSS 7.7

Microsoft Virtual Machine Bus (VMBus) Remote Code Execution Vulnerability

Published
May 31, 2026
Last Modified
—

🔗 CVE IDs covered (1)

📋 Description

Time-of-check time-of-use (toctou) race condition in Windows Virtual Machine Bus allows an unauthorized attacker to execute code locally.

🎯 Affected products31

  • Windows 10 Version 1607 for 32-bit Systems
  • Windows 10 Version 1607 for x64-based Systems
  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 10 Version 22H2 for 32-bit Systems
  • Windows 10 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for x64-based Systems
  • Windows 10 for 32-bit Systems
  • Windows 10 for x64-based Systems
  • Windows 11 Version 22H2 for ARM64-based Systems
  • Windows 11 Version 22H2 for x64-based Systems
  • Windows 11 Version 23H2 for ARM64-based Systems
  • Windows 11 Version 23H2 for x64-based Systems
  • Windows 11 Version 24H2 for ARM64-based Systems
  • Windows 11 Version 24H2 for x64-based Systems
  • Windows Server 2012
  • Windows Server 2012 (Server Core installation)
  • Windows Server 2012 R2
  • Windows Server 2012 R2 (Server Core installation)
  • Windows Server 2016
  • Windows Server 2016 (Server Core installation)
  • Windows Server 2019
  • Windows Server 2019 (Server Core installation)
  • Windows Server 2022
  • Windows Server 2022 (Server Core installation)
  • Windows Server 2022, 23H2 Edition (Server Core installation)
  • Windows Server 2025
  • +1 more not shown

✅ Remediation

KB5058392 (Security Update) — fixed build 10.0.17763.7314 KB5058385 (Security Update) — fixed build 10.0.20348.3692 KB5058500 (SecurityHotpatchUpdate) — fixed build 10.0.20348.3630 KB5058379 (Security Update) — fixed build 10.0.19044.5854 KB5058405 (Security Update) — fixed build 10.0.22621.5335 KB5058379 (Security Update) — fixed build 10.0.19045.5854 KB5058411 (Security Update) — fixed build 10.0.26100.4061 KB5058497 (SecurityHotpatchUpdate) — fixed build 10.0.26100.3981 KB5058405 (Security Update) — fixed build 10.0.22631.5335 KB5058384 (Security Update) — fixed build 10.0.25398.1611 KB5058387 (Security Update) — fixed build 10.0.10240.21014 KB5058383 (Security Update) — fixed build 10.0.14393.8066 KB5058451 (Monthly Rollup) — fixed build 6.2.9200.25475 KB5058403 (Monthly Rollup) — fixed build 6.3.9600.22577

🔗 References (25)