CVE-2026-24291: Microsoft Windows 10 1607

High severity, CVSS 7.8. EPSS: 3.3% chance of exploitation in the next 30 days.

Incorrect permission assignment for critical resource in Windows Accessibility Infrastructure (ATBroker.exe) allows an authorized attacker to elevate privileges locally.

Affected products

• Microsoft Windows 10 1607: before 10.0.14393.8957 (fixed in 10.0.14393.8957)
• Microsoft Windows 10 1809: before 10.0.17763.8511 (fixed in 10.0.17763.8511)
• Microsoft Windows 10 21h2: before 10.0.19044.7058 (fixed in 10.0.19044.7058)
• Microsoft Windows 10 22h2: before 10.0.19045.7058 (fixed in 10.0.19045.7058)
• Microsoft Windows 11 23h2: before 10.0.22631.6783 (fixed in 10.0.22631.6783)
• Microsoft Windows 11 24h2: before 10.0.26100.7979 (fixed in 10.0.26100.7979)
• Microsoft Windows 11 25h2: before 10.0.26200.7979 (fixed in 10.0.26200.7979)
• Microsoft Windows 11 26h1: before 10.0.28000.1719 (fixed in 10.0.28000.1719)
• Microsoft Windows Server 2012: affected versions not specified; version r2 only
• Microsoft Windows Server 2016: before 10.0.14393.8957 (fixed in 10.0.14393.8957)
• Microsoft Windows Server 2019: before 10.0.17763.8511 (fixed in 10.0.17763.8511)
• Microsoft Windows Server 2022: before 10.0.20348.4830 (fixed in 10.0.20348.4830)
• Microsoft Windows Server 2022 23h2: before 10.0.25398.2207 (fixed in 10.0.25398.2207)
• Microsoft Windows Server 2025: before 10.0.26100.32463 (fixed in 10.0.26100.32463)

Published 2026-03-10. Last modified 2026-06-17.