Vulnerability · Published Oct 14, 2025 · Assigned by microsoft
CVE-2025-55334Windows Kernel Security Feature Bypass Vulnerability
Medium 6.2
In plain English
A medium-severity security flaw in Windows 11 version 22H2 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).
Severity (CVSS 3.1)6.2Medium
Exploit odds (30 days)0.4%top 70.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Cleartext storage of sensitive information in Windows Kernel allows an unauthorized attacker to bypass a security feature locally.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 – before 10.0.22621.6060 |
| Microsoft | Windows 11 version 22H3 | 10.0.22631.0 – before 10.0.22631.6060 |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 – before 10.0.22631.6060 |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 – before 10.0.26100.6899 |
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0 – before 10.0.26200.6899 |
Weakness: CWE-312 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
References
- Windows Kernel Security Feature Bypass Vulnerability vendor-advisory, patch