dubiousdisk exploit

Exploit for CVE-2022-30203 and CVE-2023-21560. CVSS 7.4.

Published 14 Oct 2026Updated 14 Oct 202637 sources
CVSS 7.4 PoC CANDIDATE

What happened

Tool exploiting Windows Boot Environment permissive code to bypass Secure Boot and execute code.

Affected versions

Unknown product: See original advisory Fixed: See vendor advisory.

Why it matters

This source correlation may provide earlier visibility while structured CVE metadata is still being updated.

Detection & mitigation

  • Review the original advisory and validate affected versions.
  • Apply vendor-provided updates or mitigations when available.

Public PoC references