Microsoft Windows Mark of the Web (MOTW) Security Feature Bypass Vulnerability (CVE-2023-36584)
Severity: medium · Patch status: patched · Since 2023-11-16 · CVE-2023-36584
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 added CVE-2023-36584 to its Known Exploited Vulnerabilities catalog on Nov 16, 2023, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Dec 7, 2023 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch