ZDI-CAN-30656: ZDI-26-751: Microsoft Windows dxgkrnl Time-Of-Check Time-Of-Use Local Privilege Escalation Vulnerability
Published Oct 1, 2026
·Updated
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
1 affected component
Microsoft Windows dxgkrnl
Event History
Oct 1, 2026
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description
Frequently Asked Questions
1
What level of access does an attacker need before exploiting this issue?
The attacker must already be able to execute code with low privileges on the affected Windows system. This is a local privilege-escalation vulnerability, so the provided information does not describe remote exploitation.
2
What is the potential impact after successful exploitation?
A successful attacker can escalate privileges on the affected installation of Microsoft Windows. The vulnerability is identified as CVE-2026-50375 and has a ZDI-assigned CVSS score of 8.8.