CVE-2026-62709: Microsoft Windows 10 1607

Medium severity, CVSS 5.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Use of uninitialized resource in Windows GDI+ allows an authorized attacker to disclose information locally.

Affected products

• Microsoft Windows 10 1607: before 10.0.14393.9418 (fixed in 10.0.14393.9418)
• Microsoft Windows 10 1809: before 10.0.17763.9115 (fixed in 10.0.17763.9115)
• Microsoft Windows 10 21h2: before 10.0.19044.7663 (fixed in 10.0.19044.7663)
• Microsoft Windows 10 22h2: before 10.0.19045.7663 (fixed in 10.0.19045.7663)
• Microsoft Windows 11 23h2: before 10.0.22631.7517 (fixed in 10.0.22631.7517)
• Microsoft Windows 11 24h2: before 10.0.26100.9106 (fixed in 10.0.26100.9106)
• Microsoft Windows 11 25h2: before 10.0.26200.9106 (fixed in 10.0.26200.9106)
• Microsoft Windows 11 26h1: before 10.0.28000.2704 (fixed in 10.0.28000.2704)
• Microsoft Windows Server 2012: affected versions not specified; version r2 only
• Microsoft Windows Server 2016: before 10.0.14393.9418 (fixed in 10.0.14393.9418)
• Microsoft Windows Server 2019: before 10.0.17763.9115 (fixed in 10.0.17763.9115)
• Microsoft Windows Server 2022: before 10.0.20348.5440 (fixed in 10.0.20348.5440)
• Microsoft Windows Server 2025: before 10.0.26100.33222 (fixed in 10.0.26100.33222)

Published 2026-08-11. Last modified 2026-08-16.