KEV · Actively exploited

CVE-2025-21334

HIGH 7.8 Vendor bulletin scale — NVD CVSS pending KEV Published on 2025-01-14

Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability

EPSS 1.56% above median percentile 72.9%

CISA Known Exploited Vulnerability

Added to KEV: 2025-01-14
Remediation deadline: 2025-02-04
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Ransomware: Unknown (not documented by CISA)

This CVE is resolved by the following OS security releases. Update the OS to at least the listed version.