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
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.
Yes. CVE-2022-41091 is known to be exploited in the wild, first recorded on 8 November 2022. Treat it as urgent.
How severe is CVE-2022-41091?
Critical severity, with a CVSS score of 5.4, published 8 November 2022.
Which products and versions are affected?
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; and 1 more.
Is there a fix for CVE-2022-41091?
A patch was published on 2022-11-08. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2022-41091 attacked?
It is attacked over the network, in an operating system.
Am I affected by CVE-2022-41091?
Check whether you run Microsoft Windows. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
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