[ CVE-2022-41091 · Published 9 Nov 2022 ]
Microsoft Windows Mark of the Web (MOTW) Security Feature Bypass Vulnerability
Exploited · CISA KEV CVSS 5.4
EPSS 2%Fix available
[ Why it matters ]Priority signals
- Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-11-08
- Known to be used in ransomware campaigns
[ Description ]Official description
Windows Mark of the Web Security Feature Bypass Vulnerability
CISA: Microsoft Windows Mark of the Web (MOTW) contains a security feature bypass vulnerability resulting in a limited loss of integrity and availability of security features.
[ Fixes ]Fixes and patches
CISA required action (US federal deadline 9 Dec 2022): Apply updates per vendor instructions.
- Patch on msrc.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD
[ References ]References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41091PatchVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource