CVE-2025-55334: Windows Kernel Security Feature Bypass Vulnerability

Published Oct 14, 2025
·
Updated

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

Other sources

Windows Kernel Security Feature Bypass Vulnerability

Microsoft

Affected Software

12 affected componentsFixes available
Microsoft Windows 11=24H2
Microsoft Windows 11=25H2
Microsoft Windows 11=24H2
Microsoft Windows 11=25H2
Microsoft Windows 11=22H2
Microsoft Windows 11=22H2
Microsoft Windows 11=23H2
Microsoft Windows 11=23H2
Microsoft Windows 11 22h2<10.0.22621.6060
Microsoft Windows 11 23h2<10.0.22631.6060
Microsoft Windows 11 24h2<10.0.26100.6899
Microsoft Windows 11 25h2<10.0.26200.6899

Event History

Oct 14, 2025
CVE Published
via Microsoft·07:00 AM
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·05:01 PM
Data Sourced
via MITRE·05:01 PM
DescriptionSeverity
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2025-55334?

CVE-2025-55334 is considered a high severity vulnerability due to its potential to allow unauthorized access to sensitive information.

2

How do I fix CVE-2025-55334?

To mitigate CVE-2025-55334, users should apply the relevant security updates or patches provided by Microsoft for affected Windows 11 versions.

3

What versions of Windows 11 are affected by CVE-2025-55334?

CVE-2025-55334 affects multiple versions of Windows 11 including 24H2 and 25H2 for both x86_64 and arm64 architectures.

4

Can CVE-2025-55334 be exploited remotely?

CVE-2025-55334 is a local security feature bypass vulnerability, meaning it requires local access to exploit.

5

What are the potential impacts of CVE-2025-55334?

Exploitation of CVE-2025-55334 could lead to unauthorized access to sensitive data stored in cleartext, compromising user confidentiality.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203