6.2
Medium
CVE-2025-29955 Improper input validation in Windows Hyper-V allows an unauthorized attacker to deny service locally
Description
Improper input validation in Windows Hyper-V allows an unauthorized attacker to deny service locally.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows Server 2025 (Server Core installation) 10.0 | 10.0.26100.0 → < 10.0.26100.4061 | 10.0.26100.4061 |
| Windows Server 2022, 23H2 Edition (Server Core installation) 10.0 | 10.0.25398.0 → < 10.0.25398.1611 | 10.0.25398.1611 |
| Windows 11 Version 24H2 10.0 | 10.0.26100.0 → < 10.0.26100.4061 | 10.0.26100.4061 |
| Windows Server 2025 10.0 | 10.0.26100.0 → < 10.0.26100.4061 | 10.0.26100.4061 |
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