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CVE Record
[ HIGH ]CVE-2025-21334

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

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

cat cve-2025-21334.json
Vendor
Microsoft
Product
Windows
CVSS
7.8
EPSS (exploit probability)
1.6%
Status
kev
CISA patch-by (BOD 22-01)
Published

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

Added to CISA’s Known Exploited Vulnerabilities catalog on 2025-01-14. Required action per CISA: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Due date: 2025-02-04.

This is an auto-synced KEV catalog record pending a full 0dayNews write-up — see CISA’s KEV catalog and the NVD record linked above for primary sources.