CVE-2025-29955 MEDIUM

CVE-2025-29955: Windows Hyper-V Denial of Service Vulnerability

Vendor Microsoft
Product Windows 11 Version 24H2
Weakness CWE-20 · Input validation
Published May 13, 2025
Last update February 13, 2026

CVSS base score

6.2/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

Improper input validation in Windows Hyper-V allows an unauthorized attacker to deny service locally.

Key dates

02Disclosure timeline

May 13, 2025 CVE published
February 13, 2026 Record updated