CVE-2026-56174: Microsoft Windows 10 1809

High severity, CVSS 7.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Untrusted search path in Windows Narrator Braille allows an authorized attacker to elevate privileges locally.

Affected products

• 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 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.