CVE-2025-21335
MI
Microsoft Windows
Microsoft Windows Hyper-V NT Kernel Integration VSP Use-After-Free Vulnerability
What it is
Microsoft Windows Hyper-V NT Kernel Integration VSP contains a use-after-free vulnerability that allows a local attacker to gain SYSTEM privileges.
What to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vendor notices and references
- msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-21335
- nvd.nist.gov/vuln/detail/CVE-2025-21335
Description and required action as published by CISA. Full record at NVD.
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