Secure Boot must be enabled on Windows 11 systems.

STIG ID: WN11-00-000020  |  SRG: SRG-OS-000424-GPOS-00188 |  Severity: medium |  CCI: CCI-002421 |  Vulnerability Id: V-253257 | 

Vulnerability Discussion

Secure Boot is a standard that ensures systems boot only to a trusted operating system. Secure Boot is required to support additional security features in Windows 11, including virtualization-based Security and Credential Guard. If Secure Boot is turned off, these security features will not function.

Check

Verify the system firmware is configured for Secure Boot.

For virtual desktop implementations (VDIs) where the virtual desktop instance is deleted or refreshed upon logoff, this is NA.

Run "System Information".

Under "System Summary", if "Secure Boot State" does not display "On", this is a finding.

Fix

Enable Secure Boot in the system firmware.