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Vulnerabilities

Vulnerability · CVE-2026-50375

ZDI-26-751: Microsoft Windows dxgkrnl Time-Of-Check Time-Of-Use Local Privilege Escalation Vulnerability

Published Oct 1, 2026 · ZDI-26-751: Microsoft Windows dxgkrnl

Check if you run it

No confirmed exploitation is on record for CVE-2026-50375. EPSS is 0.29%. Act only if a listed version of ZDI-26-751: Microsoft Windows dxgkrnl is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (ZDI-26-751: Microsoft Windows dxgkrnl).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.29%
Remediation
Not established
Affected products
See sources for product scope

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.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-50375

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-50375. EPSS is 0.29%. Act only if a listed version of ZDI-26-751: Microsoft Windows dxgkrnl is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.29%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Windows security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 1, 2026 · Catalog

    Detected

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-50375

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-50375

    30-day exploitation probability 0.3%

    first.org
  • Zero Day InitiativeCoordinated disclosureZDI-26-751

    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.

    zerodayinitiative.com

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.