ACTIVELY EXPLOITED

CVE-2022-41049: Microsoft Windows Mark of the Web (MOTW) Security Feature Bypass Vulnerability

Facts
VendorMicrosoft
ProductWindows
Actively exploitedYes
Added to CISA KEV14 Nov 2022
CISA federal deadline9 Dec 2022
Weakness (CWE)CWE-274

Required action (CISA's text)

Apply updates per vendor instructions.

Description (NVD)

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.

SOURCES

Other Microsoft flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.