CVE-2025-29833

HighCVSS 7.7/10Last modified Jun 17, 2026

Description

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

Metrics

CVSS 3.1 7.7/10CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-367

Affected software

Vendor	Product	Versions
Microsoft	Windows 10 Version 1507	>= 10.0.10240.0, < 10.0.10240.21014
Microsoft	Windows 10 Version 1607	>= 10.0.14393.0, < 10.0.14393.8066
Microsoft	Windows 10 Version 1809	>= 10.0.17763.0, < 10.0.17763.7314
Microsoft	Windows 10 Version 21H2	>= 10.0.19044.0, < 10.0.19044.5854
Microsoft	Windows 10 Version 22H2	>= 10.0.19045.0, < 10.0.19045.5854
Microsoft	Windows 11 version 22H2	>= 10.0.22621.0, < 10.0.22621.5335
Microsoft	Windows 11 version 22H3	>= 10.0.22631.0, < 10.0.22631.5335
Microsoft	Windows 11 Version 23H2	>= 10.0.22631.0, < 10.0.22631.5335
Microsoft	Windows 11 Version 24H2	>= 10.0.26100.0, < 10.0.26100.4061
Microsoft	Windows Server 2012	>= 6.2.9200.0, < 6.2.9200.25475
Microsoft	Windows Server 2012 (Server Core installation)	>= 6.2.9200.0, < 6.2.9200.25475
Microsoft	Windows Server 2012 R2	>= 6.3.9600.0, < 6.3.9600.22577
Microsoft	Windows Server 2012 R2 (Server Core installation)	>= 6.3.9600.0, < 6.3.9600.22577
Microsoft	Windows Server 2016	>= 10.0.14393.0, < 10.0.14393.8066
Microsoft	Windows Server 2016 (Server Core installation)	>= 10.0.14393.0, < 10.0.14393.8066
Microsoft	Windows Server 2019	>= 10.0.17763.0, < 10.0.17763.7314
Microsoft	Windows Server 2019 (Server Core installation)	>= 10.0.17763.0, < 10.0.17763.7314
Microsoft	Windows Server 2022	>= 10.0.20348.0, < 10.0.20348.3692
Microsoft	Windows Server 2022, 23H2 Edition (Server Core installation)	>= 10.0.25398.0, < 10.0.25398.1611
Microsoft	Windows Server 2025	>= 10.0.26100.0, < 10.0.26100.4061
Microsoft	Windows Server 2025 (Server Core installation)	>= 10.0.26100.0, < 10.0.26100.4061

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29833Vendor Advisory

Timeline

Published: May 13, 2025
Last modified: Jun 17, 2026
NVD status: Analyzed

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