CVE-2025-21335: Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability

7.8 CVSS

Description

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

Classification

CVE ID: CVE-2025-21335

CVSS Base Severity: HIGH

CVSS Base Score: 7.8

Affected Products

Vendor: Microsoft

Product: Windows 10 Version 21H2

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.1% (probability of being exploited)

EPSS Percentile: 42.7% (scored less or equal to compared to others)

EPSS Date: 2025-02-25 (when was this score calculated)

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21335

Timeline