CVE-2026-50294: Microsoft Windows 10 1607

Medium severity, CVSS 6.2. EPSS: 0.5% chance of exploitation in the next 30 days.

Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows an unauthorized attacker to disclose information locally.

Affected products

• Microsoft Windows 10 1607: before 10.0.14393.9339 (fixed in 10.0.14393.9339)
• Microsoft Windows 10 1809: before 10.0.17763.9020 (fixed in 10.0.17763.9020)
• Microsoft Windows 10 21h2: before 10.0.19044.7548 (fixed in 10.0.19044.7548)
• Microsoft Windows 10 22h2: before 10.0.19045.7548 (fixed in 10.0.19045.7548)
• Microsoft Windows 11 24h2: before 10.0.26100.8875 (fixed in 10.0.26100.8875)
• Microsoft Windows 11 25h2: before 10.0.26200.8875 (fixed in 10.0.26200.8875)
• Microsoft Windows 11 26h1: before 10.0.28000.2269 (fixed in 10.0.28000.2269); before 10.0.28000.2525 (fixed in 10.0.28000.2525)
• Microsoft Windows Server 2012: affected versions not specified; version r2 only
• Microsoft Windows Server 2016: before 10.0.14393.9339 (fixed in 10.0.14393.9339)
• Microsoft Windows Server 2019: before 10.0.17763.9020 (fixed in 10.0.17763.9020)
• Microsoft Windows Server 2022: before 10.0.20348.5386 (fixed in 10.0.20348.5386)
• Microsoft Windows Server 2025: before 10.0.26100.33158 (fixed in 10.0.26100.33158)

Published 2026-07-14. Last modified 2026-07-22.