CVE-2025-29955

Windows Hyper-V Denial of Service Vulnerability

Published May 13, 2025 CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed
Description
Improper input validation in Windows Hyper-V allows an unauthorized attacker to deny service locally.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-14421 Improper input validation in Windows Hyper-V allows an unauthorized attacker to deny service locally.
History
Type Values Removed Values Added
First Time appeared Microsoft windows 11 24h2
Microsoft windows Server 23h2
CPEs cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_23h2:*:*:*:*:*:*:*:*
Vendors & Products Microsoft windows 11 24h2
Microsoft windows Server 23h2
Type Values Removed Values Added
First Time appeared Microsoft
Microsoft windows 11 24h2
Microsoft windows Server 2022 23h2
Microsoft windows Server 2025
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows 11 24h2
Microsoft windows Server 2022 23h2
Microsoft windows Server 2025
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper input validation in Windows Hyper-V allows an unauthorized attacker to deny service locally.
Title Windows Hyper-V Denial of Service Vulnerability
Weaknesses CWE-20
References
Metrics cvssV3_1

{'score': 6.2, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Feb 13, 2026, 7:21 PM
Reserved
Mar 12, 2025, 5:54 PM
Status
Analyzed
Published
May 13, 2025, 5:15 PM
Modified
Jun 17, 2026, 9:05 AM