CVE-2023-36584: Microsoft Windows Mark of the Web (MOTW) Security Feature Bypass Vulnerability

Medium severity, CVSS 5.4. Actively exploited: in CISA KEV since 2023-11-16. EPSS: 3.1% chance of exploitation in the next 30 days.

Windows Mark of the Web Security Feature Bypass Vulnerability

Affected products

• Microsoft Windows 10 1507: before 10.0.10240.20232 (fixed in 10.0.10240.20232)
• Microsoft Windows 10 1809: before 10.0.17763.4974 (fixed in 10.0.17763.4974)
• Microsoft Windows 10 21h1: before 10.0.19041.3570 (fixed in 10.0.19041.3570)
• Microsoft Windows 10 22h2: before 10.0.19041.3570 (fixed in 10.0.19041.3570)
• Microsoft Windows 11 21h2: before 10.0.22000.2538 (fixed in 10.0.22000.2538)
• Microsoft Windows 11 22h2: before 10.0.22621.2428 (fixed in 10.0.22621.2428)
• Microsoft Windows Server 2008: affected versions not specified; version r2 only
• Microsoft Windows Server 2012: affected versions not specified; version r2 only
• Microsoft Windows Server 2016: before 10.0.14393.6351 (fixed in 10.0.14393.6351)
• Microsoft Windows Server 2019: before 10.0.17763.4974 (fixed in 10.0.17763.4974)
• Microsoft Windows Server 2022: before 10.0.20348.2031 (fixed in 10.0.20348.2031)

Published 2023-10-10. Last modified 2026-06-17.