Firetruck

CVE-2025-21334

KEV
Updated Jun 9, 2026 · PUBLISHED
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Description

Microsoft Windows Hyper-V NT Kernel Integration VSP contains a use-after-free vulnerability that allows a local attacker to gain SYSTEM privileges.

Full record on cve.org →

Affected packages

PackageVendor / ProductVersion rangeStatus
Windows 10 Version 21H2Microsoft / Windows 10 Version 21H2>= 10.0.19044.0, < 10.0.19044.5371affected
Windows 10 Version 22H2Microsoft / Windows 10 Version 22H2>= 10.0.19045.0, < 10.0.19045.5371affected
Windows 11 version 22H2Microsoft / Windows 11 version 22H2>= 10.0.22621.0, < 10.0.22621.4751affected
Windows 11 version 22H3Microsoft / Windows 11 version 22H3>= 10.0.22631.0, < 10.0.22631.4751affected
Windows 11 Version 23H2Microsoft / Windows 11 Version 23H2>= 10.0.22631.0, < 10.0.22631.4751affected
Windows 11 Version 24H2Microsoft / Windows 11 Version 24H2>= 10.0.26100.0, < 10.0.26100.2894affected
Windows Server 2022, 23H2 Edition (Server Core installation)Microsoft / Windows Server 2022, 23H2 Edition (Server Core installation)>= 10.0.25398.0, < 10.0.25398.1369affected
Windows Server 2025Microsoft / Windows Server 2025>= 10.0.26100.0, < 10.0.26100.2894affected
Windows Server 2025 (Server Core installation)Microsoft / Windows Server 2025 (Server Core installation)>= 10.0.26100.0, < 10.0.26100.2894affected