Vulnerability Description
The Microsoft vulnerable driver block list is implemented as Windows Defender Application Control (WDAC) policy. Entries that specify only the to-be-signed (TBS) part of the code signer certificate are properly blocked, but entries that specify the signing certificate's TBS hash along with a 'FileAttribRef' qualifier (such as file name or version) may not be blocked, whether hypervisor-protected code integrity (HVCI) is enabled or not. NOTE: The vendor disputes this CVE ID assignment and states that the driver blocklist is intended for use with HVCI.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://learn.microsoft.com/en-us/windows/security/application-security/applicat
- https://learn.microsoft.com/en-us/windows/security/hardware-security/enable-virt
- https://x.com/JonnyJohnson_/status/1895103112924307727
FAQ
What is CVE-2025-59033?
CVE-2025-59033 is a vulnerability with a CVSS score of 7.4 (HIGH). The Microsoft vulnerable driver block list is implemented as Windows Defender Application Control (WDAC) policy. Entries that specify only the to-be-signed (TBS) part of the code signer certificate ar...
How severe is CVE-2025-59033?
CVE-2025-59033 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-59033?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.