View the security misconfiguration catalog
  • Misconfiguration Name
  • Untrusted font blocking is not enabled
  • Description
  • Attackers might deploy malicious codes through external font files. To prevent this, all external fonts except those that are available in the Windows font directory (%windir%/Fonts) must be blocked.
  • Severity
  • Critical
  • Category
  • OS Security Hardening
  • Resolution
  • Follow the below steps in GPO to resolve the misconfiguration. Configure the policy value for Computer Configuration >> Administrative Templates >> System >> Mitigation Options >> "Untrusted Font Blocking" to "Enabled" with "Block untrusted fonts and log events" selected in "Mitigation Options".
  • Does remediation require reboot?
  • No