Input validation error in Microsoft Windows and Windows Server - CVE-2025-29955
Published: May 13, 2025
Vulnerability identifier: #VU109094
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-29955
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in Windows Hyper-V. A local attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2025-29955
Install updates from vendor's website.
Microsoft Windows - addressed in versions 10 1607 10.0.14393.8066, 11 24H2 10.0.26100.3981, 11 24H2 10.0.26100.4061
Windows Server - addressed in versions 2012 R2 6.3.9600.22577, 2022 23H2 10.0.25398.1611, 2025 10.0.26100.3981, 2025 10.0.26100.4061
Windows Server - addressed in versions 2012 R2 6.3.9600.22577, 2022 23H2 10.0.25398.1611, 2025 10.0.26100.3981, 2025 10.0.26100.4061