CVE-2025-29955 — Improper Input Validation in Microsoft Windows 11 Version 24h2

CWE-20 — Improper Input Validation4 documents4 sources
Severity
5.5MEDIUMNVD
EPSS
1.3%
top 19.94%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Microsoft Windows 11 Version 24h2Microsoft Windows Server 2025Microsoft Windows 11 24h2+4 more
Timeline
PublishedMay 13

Description

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

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages7 packages

▶NVDmicrosoft/windows< 10.0.25398.1611+1
▶NVDmicrosoft/windows_11_24h2< 10.0.26100.4061
▶CVEListV5microsoft/windows_server_202510.0.26100.0 — 10.0.26100.4061
▶CVEListV5microsoft/windows_11_version_24h210.0.26100.0 — 10.0.26100.4061

🔴Vulnerability Details

1
GHSA
GHSA-v487-rh87-cwxh: Improper input validation in Windows Hyper-V allows an unauthorized attacker to deny service locally↗2025-05-13
▶

📋Vendor Advisories

1
Microsoft
Windows Hyper-V Denial of Service Vulnerability↗2025-05-13
▶

🕵️Threat Intelligence

1
Bleepingcomputer
Microsoft May 2025 Patch Tuesday fixes 5 exploited zero-days, 72 flaws↗2025-05-13
▶
CVE-2025-29955 — Improper Input Validation in Microsoft | cvebase