What is CVE-2025-21359?

CVE-2025-21359 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Windows Kernel Security Feature Bypass Vulnerability

Which CVE IDs does CVE-2025-21359 cover?

CVE-2025-21359 covers the following CVE IDs: CVE-2025-21359. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-21359?

CVE-2025-21359 has a CVSS v3 base score of 7.8, published by Microsoft Security Response Center (MSRC).

CVE-2025-21359HighCVSS 7.8

Windows Kernel Security Feature Bypass Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

June 3, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2025-21359 →