Unrated severityNVD Advisory· Published Oct 14, 2025· Updated Feb 26, 2026
Windows Hyper-V Elevation of Privilege Vulnerability
CVE-2025-55328
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
Affected products
18- Range: 10.0.10240.0
10.0.14393.0+ 2 more
- (no CPE)range: 10.0.14393.0
- (no CPE)range: 10.0.19044.0
- (no CPE)range: 10.0.19045.0
- Range: 10.0.17763.0
10.0.22621.0+ 1 more
- (no CPE)range: 10.0.22621.0
- (no CPE)range: 10.0.22631.0
- Microsoft/Windows 11 version 22H3v5Range: 10.0.22631.0
- Range: 10.0.26100.0
- Range: 10.0.26200.0
- Range: 10.0.14393.0
- Microsoft/Windows Server 2016 (Server Core installation)v5Range: 10.0.14393.0
- Range: 10.0.17763.0
- Microsoft/Windows Server 2019 (Server Core installation)v5Range: 10.0.17763.0
- Range: 10.0.20348.0
- Microsoft/Windows Server 2022, 23H2 Edition (Server Core installation)v5Range: 10.0.25398.0
- Range: 10.0.26100.0
- Microsoft/Windows Server 2025 (Server Core installation)v5Range: 10.0.26100.0
Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55328mitrevendor-advisorypatch
News mentions
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