CVE-2022-41049
Published: November 14, 2022
Official Description
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.
CISA KEV Advisory
Microsoft Windows Mark of the Web (MOTW) Security Feature Bypass Vulnerability
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.
Apply updates per vendor instructions.
Risk Analysis
This high-severity security feature bypass vulnerability in Microsoft Windows Mark of the Web (MOTW) results in a limited loss of integrity and availability of security features. The high EPSS score of 0.13059 indicates a significant likelihood of exploitation, making this an urgent concern. This vulnerability is confirmed to be actively exploited in the wild.
Active exploitation of this vulnerability has been observed in the wild, and it is included in CISA's KEV catalog. This indicates a critical and immediate threat, as it undermines a core Windows security mechanism.
Apply the latest security updates from Microsoft to address this Mark of the Web security feature bypass. Ensure all Windows systems are patched promptly to restore full security feature integrity.
Technical Analysis
CVE-2022-41049 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2022-41049 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
All References (2)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-41049 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1