CVE-2016-3320: Fedoraproject Fedora

Medium severity, CVSS 4.9. EPSS: 4.9% chance of exploitation in the next 30 days.

Microsoft Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 allow attackers to bypass the Secure Boot protection mechanism by leveraging (1) administrative or (2) physical access to install a crafted boot manager, aka "Secure Boot Security Feature Bypass."

Affected products

• Fedoraproject Fedora: version 25 only
• Microsoft Windows 10: affected versions not specified; version 1511 only
• Microsoft Windows 8.1: affected versions not specified
• Microsoft Windows Rt 8.1: affected versions not specified
• Microsoft Windows Server 2012: affected versions not specified; version r2 only

Published 2016-08-09. Last modified 2026-06-17.