CVE-2019-1294: Microsoft Windows 10

Medium severity, CVSS 4.6. EPSS: 1.3% chance of exploitation in the next 30 days.

A security feature bypass exists when Windows Secure Boot improperly restricts access to debugging functionality, aka 'Windows Secure Boot Security Feature Bypass Vulnerability'.

Affected products

• Microsoft Windows 10: version 1803 only; version 1809 only; version 1903 only
• Microsoft Windows Server 2016: version 1803 only; version 1903 only
• Microsoft Windows Server 2019: affected versions not specified

Published 2019-09-11. Last modified 2026-06-17.