CVE-2025-29955

Improper input validation in Windows Hyper-V allows an unauthorized attacker to deny service locally.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.2 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
microsoftCNA
6.2 MEDIUM
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
CISA-ADPADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 25%
VendorProductVersion
microsoftwindows_11_24h2
𝑥
< 10.0.26100.4061
microsoftwindows_server_2022_23h2
𝑥
< 10.0.25398.1611
microsoftwindows_server_2025
𝑥
< 10.0.26100.4061
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29955