What is GHSA-33g3-qcrh-xvc2?

GHSA-33g3-qcrh-xvc2 is a security advisory published by GitHub Security Advisories with Critical severity. A missing authentication vulnerability in the Kernel Memory Access Driver (PSKMAD) used by...

Which CVE IDs does GHSA-33g3-qcrh-xvc2 cover?

GHSA-33g3-qcrh-xvc2 covers the following CVE IDs: CVE-2026-13043. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-33g3-qcrh-xvc2?

GHSA-33g3-qcrh-xvc2 has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-33g3-qcrh-xvc2CriticalCVSS 8.8

A missing authentication vulnerability in the Kernel Memory Access Driver (PSKMAD) used by...

Vendor

GitHub Security Advisories

Published

October 1, 2026

Last Modified

October 16, 2026

🔗 CVE IDs covered (1)

CVE-2026-13043 →

📋 Description

A missing authentication vulnerability in the Kernel Memory Access Driver (PSKMAD) used by WatchGuard endpoint security products allows a local, authenticated attacker to bypass the driver's access-control handshake and issue arbitrary privileged commands to the driver, resulting in disclosure of kernel and process memory.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-13043
https://psirt.watchguard.com/CVE-2026-13043
https://github.com/advisories/GHSA-33g3-qcrh-xvc2