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CVE-2025-21335

Microsoft Windows Hyper-V NT Kernel Integration VSP Use-After-Free Vulnerability

Description

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

Recommended action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA remediation due date for U.S. federal agencies: 4 Feb 2025.

Collected automatically from public sources. Verify affected versions and fixes in the vendor's notice before acting.