Junglewise Threat Intelligence

CVE-2022-41091: Microsoft Windows Mark of the Web (MOTW) Security Feature Bypass Vulnerability

CVE-2022-41091 · Severity: critical · CVSS 5.4 · Exploited in the wild · Published 2022-11-08

Technologies: Microsoft Windows, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022, Microsoft Windows 11, Microsoft Windows 10. Vendors: Microsoft.

Executive brief

Microsoft Windows Mark of the Web (MOTW) contains a security feature bypass vulnerability that allows an attacker to circumvent security restrictions. The flaw results in a limited loss of integrity and availability of security features, and has been observed being exploited in the wild.

Affected products

  • Microsoft Windows 10 up to (excluding) 10.0.10240.19567
  • Microsoft Windows 11 up to (excluding) 10.0.22000.1219
  • Microsoft Windows Server 2016 up to (excluding) 10.0.14393.5501
  • Microsoft Windows Server 2019 up to (excluding) 10.0.17763.3650
  • Microsoft Windows Server 2022 up to (excluding) 10.0.20348.1249

Timeline

  • 2022-11-08: disclosed
  • 2022-11-08: advisory
  • 2022-11-08: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2022-11-08: patched

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