CVE-2017-11899: Microsoft Windows 10

Critical severity, CVSS 9.8. EPSS: 5.8% chance of exploitation in the next 30 days.

Device Guard in Windows 10 1511, 1607, 1703 and 1709, Windows Server 2016 and Windows Server, version 1709 allows a security feature bypass vulnerability due to the way untrusted files are handled, aka "Microsoft Windows Security Feature Bypass Vulnerability".

Affected products

• Microsoft Windows 10: affected versions not specified; version 1511 only; version 1607 only; version 1703 only; version 1709 only
• Microsoft Windows Server 2016: affected versions not specified; version 1709 only

Published 2017-12-12. Last modified 2026-06-17.