CVE-2025-29955 — MEDIUM (6.2)

Q: What is CVE-2025-29955?

CVE-2025-29955 is a vulnerability with a CVSS score of 6.2 (MEDIUM). Improper input validation in Windows Hyper-V allows an unauthorized attacker to deny service locally.

Q: How severe is CVE-2025-29955?

CVE-2025-29955 has been rated MEDIUM with a CVSS base score of 6.2/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-29955?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 11 24H2, Microsoft Windows Server 2022 23H2, Microsoft Windows Server 2025.

Vulnerability Description

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

CVSS Score

6.2

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Microsoft	Windows 11 24H2	< 10.0.26100.4061
Microsoft	Windows Server 2022 23H2	< 10.0.25398.1611
Microsoft	Windows Server 2025	< 10.0.26100.4061

Related Weaknesses (CWE)

CWE-20

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29955Vendor Advisory

FAQ

What is CVE-2025-29955?

CVE-2025-29955 is a vulnerability with a CVSS score of 6.2 (MEDIUM). Improper input validation in Windows Hyper-V allows an unauthorized attacker to deny service locally.

How severe is CVE-2025-29955?

CVE-2025-29955 has been rated MEDIUM with a CVSS base score of 6.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-29955?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 11 24H2, Microsoft Windows Server 2022 23H2, Microsoft Windows Server 2025.