ZDI-26-751: Microsoft Windows dxgkrnl Time-Of-Check Time-Of-Use Local Privilege Escalation Vulnerability
This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 8.8. The following CVEs are assigned: CVE-2026-50375.
Affected Software
Event History
Frequently Asked Questions
Who is exposed to exploitation?
Affected Microsoft Windows installations are exposed only after an attacker can execute low-privileged code locally on the target system. This is a local privilege-escalation issue, not an initial remote-access vector.
What access does an attacker need before exploiting this issue?
The attacker must first obtain the ability to run code with low privileges on the affected system. Successful exploitation can then allow privilege escalation.
Which CVE should be used to track this vulnerability?
This issue is assigned CVE-2026-50375.