CVE-2025-21335
Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability
In short
A security flaw in Windows Hyper-V allows a local attacker with basic user privileges to gain higher-level system access by exploiting a memory management issue in the kernel integration component. This is dangerous because it gives attackers administrative control over the system.
Technical detail
A use-after-free vulnerability (CWE-416) exists in the Hyper-V NT Kernel Integration VSP component, allowing a local attacker to achieve privilege escalation through exploitation of freed memory regions. The attack requires local code execution with standard user privileges and results in kernel-level code execution.
Summary generated and translated by AI from the official description.
Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · Windows 10 Version 21H2Microsoft · Windows 10 Version 22H2Microsoft · Windows 11 version 22H2Microsoft · Windows 11 version 22H3Microsoft · Windows 11 Version 23H2Microsoft · Windows 11 Version 24H2Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)Microsoft · Windows Server 2025Microsoft · Windows Server 2025 (Server Core installation)Want to know if your infrastructure is exposed to this?
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