Vulnerability in Microsoft Windows 11 22h2
CVE-2025-55334
Cleartext storage of sensitive information in Windows Kernel allows an unauthorized attacker to bypass a security feature locally.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (26.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.000
Affected products
- Microsoft Windows 11 22h2
- Microsoft Windows 11 23h2
- Microsoft Windows 11 24h2
- Microsoft Windows 11 25h2
- Microsoft Windows 11 Version 22h2 — versions 10.0.22621.0
- Microsoft Windows 11 Version 22h3 — versions 10.0.22631.0
- Microsoft Windows 11 Version 23h2 — versions 10.0.22631.0
- Microsoft Windows 11 Version 24h2 — versions 10.0.26100.0
- Microsoft Windows 11 Version 25h2 — versions 10.0.26200.0
Weakness classification (CWE)
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55334 (vendor-advisory, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-55334?
- CVE-2025-55334 is a medium-severity vulnerability in Microsoft Windows 11 22h2, classified under Cleartext Storage of Sensitive Information. CVSS score: 6.2/10. Published 2025-10-14.
- How severe is CVE-2025-55334?
- Medium severity. CVSS v3 base score is 6.2 out of 10.