CVE-2024-21320: Microsoft Windows 10 1507

Medium severity, CVSS 6.5. EPSS: 22.6% chance of exploitation in the next 30 days.

Windows Themes Spoofing Vulnerability

Affected products

• Microsoft Windows 10 1507: before 10.0.10240.20402 (fixed in 10.0.10240.20402)
• Microsoft Windows 10 1607: before 10.0.14393.6614 (fixed in 10.0.14393.6614)
• Microsoft Windows 10 1809: before 10.0.17763.5329 (fixed in 10.0.17763.5329)
• Microsoft Windows 10 21h2: before 10.0.19044.3930 (fixed in 10.0.19044.3930)
• Microsoft Windows 10 22h2: before 10.0.19045.3930 (fixed in 10.0.19045.3930)
• Microsoft Windows 11 21h2: before 10.0.22000.2713 (fixed in 10.0.22000.2713)
• Microsoft Windows 11 22h2: before 10.0.22621.3007 (fixed in 10.0.22621.3007)
• Microsoft Windows 11 23h2: before 10.0.22631.3007 (fixed in 10.0.22631.3007)
• Microsoft Windows Server 2012: affected versions not specified; version r2 only
• Microsoft Windows Server 2016: before 10.0.14393.6614 (fixed in 10.0.14393.6614)
• Microsoft Windows Server 2019: before 10.0.17763.5329 (fixed in 10.0.17763.5329)
• Microsoft Windows Server 2022: before 10.0.20348.2227 (fixed in 10.0.20348.2227)

Published 2024-01-09. Last modified 2026-06-17.