What is CVE-2025-55334?

CVE-2025-55334 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-2025-55334 cover?

CVE-2025-55334 covers the following CVE IDs: CVE-2025-55334. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-55334?

CVE-2025-55334 has a CVSS v3 base score of 6.2, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2025-55334?

CVE-2025-55334 affects 8 products, including: Windows 11 Version 22H2 for ARM64-based Systems; Windows 11 Version 22H2 for x64-based Systems; Windows 11 Version 23H2 for ARM64-based Systems; Windows 11 Version 23H2 for x64-based Systems; Windows 11 Version 24H2 for ARM64-based Systems; and others — see the full list on the advisory page.

CVE-2025-55334HighCVSS 6.2

Windows Kernel Security Feature Bypass Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

October 14, 2025

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2025-55334 →

📋 Description

Cleartext storage of sensitive information in Windows Kernel allows an unauthorized attacker to bypass a security feature locally.

🎯 Affected products8

Windows 11 Version 22H2 for ARM64-based Systems
Windows 11 Version 22H2 for x64-based Systems
Windows 11 Version 23H2 for ARM64-based Systems
Windows 11 Version 23H2 for x64-based Systems
Windows 11 Version 24H2 for ARM64-based Systems
Windows 11 Version 24H2 for x64-based Systems
Windows 11 Version 25H2 for ARM64-based Systems
Windows 11 Version 25H2 for x64-based Systems

✅ Remediation

KB5066835 (Security Update) — fixed build 10.0.26200.6899 KB5066793 (Security Update) — fixed build 10.0.22621.6060 KB5066793 (Security Update) — fixed build 10.0.22631.6060 KB5066835 (Security Update) — fixed build 10.0.26100.6899

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products8

✅ Remediation

🔗 References (5)