CVE-2025-29955

published 2025-05-13

CVE-2025-29955: Improper input validation in Windows Hyper-V allows an unauthorized attacker to deny service locally.

Priority P4 23 medium 5.5 CVSS 3.1

AV L AC L PR L UI N S U C N I N A H

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

Affected

8 ranges

Vendor	Product	Version range	Fixed in
microsoft	windows_11_24h2	< 10.0.26100.4061	10.0.26100.4061
microsoft	windows_11_version_24h2	>= 10.0.26100.0 < 10.0.26100.4061	10.0.26100.4061
microsoft	windows_server_2022_23h2	< 10.0.25398.1611	10.0.25398.1611
microsoft	windows_server_2025	< 10.0.26100.4061	10.0.26100.4061
microsoft	windows_server_2025	>= 10.0.26100.0 < 10.0.26100.4061	10.0.26100.4061
msrc	windows_11_version_24h2_for_x64-based_systems	—	—
msrc	windows_server_2022_23h2_edition	—	—
msrc	windows_server_2025	—	—

CVSS provenance

nvd v3.1 5.5 MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

vendor_msrc 6.2 MEDIUM

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CWE-20