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CVE-2025-59033

HIGH
7.4
CVSS Score
Published: September 8, 2025 at 12:00 AM UTC
Updated: June 17, 2026 at 09:45 AM UTC
1 product affected across 1 vendorWindows

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Severity
HIGH7.4
Exploit prediction
EPSS 0.3%
SSVC
PoC

Description

The Microsoft vulnerable driver block list is implemented as Windows Defender Application Control (WDAC) policy. On systems that do not have hypervisor-protected code integrity (HVCI) enabled, 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) will not be blocked. This vulnerability affects any Windows system that does not have HVCI enabled or supported (HVCI is available in Windows 10, Windows 11, and Windows Server 2016 and later). NOTE: The vendor states that the driver blocklist is intended for use with HVCI, while systems without HVCI should use App Control, and any custom blocklist entries require a granular approach for proper enforcement.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Windows· Microsoft
60%
10 ≤ v ≤ Server 202510

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

Source: [email protected]
https://learn.microsoft.com/en-us/windows/security/application-security/application-control/app-control-for-business/design/microsoft-recommended-driver-block-rules
Source: [email protected]
https://learn.microsoft.com/en-us/windows/security/hardware-security/enable-virtualization-based-protection-of-code-integrity
Source: [email protected]
https://x.com/JonnyJohnson_/status/1895103112924307727

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.4HIGHmitre
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-693CWE-420

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