MEDIUM 6.2 Microsoft

CVE-2025-29955

Windows Hyper-V Denial of Service Vulnerability

Microsoft Security Update 2025-May: Windows Hyper-V Denial of Service Vulnerability

Affected Products

Windows Server 2025 (Server Core installation)
Windows Server 2022, 23H2 Edition (Server Core installation)
Windows 11 Version 24H2 for x64-based Systems
Windows Server 2025

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29955
https://nvd.nist.gov/vuln/detail/CVE-2025-29955

Published: 2025-05-13 · Source: Microsoft · Feed updated: 2026-08-04

This medium severity vulnerability with a CVSS score of 6.2 was published on 2025-05-13 via Microsoft. Affected: Windows Server 2025 (Server Core installation), Windows Server 2022, 23H2 Edition (Server Core installation), Windows 11 Version 24H2 for x64-based Systems and 1 more.

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