What is GHSA-9q9x-3h5p-qv27?

GHSA-9q9x-3h5p-qv27 is a security advisory published by GitHub Security Advisories with High severity. Privilege escalation due to use-after-free in the Graphics: WebGPU component. This vulnerability...

Which CVE IDs does GHSA-9q9x-3h5p-qv27 cover?

GHSA-9q9x-3h5p-qv27 covers the following CVE IDs: CVE-2026-84123. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-9q9x-3h5p-qv27?

GHSA-9q9x-3h5p-qv27 has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-9q9x-3h5p-qv27HighCVSS 8.8

Privilege escalation due to use-after-free in the Graphics: WebGPU component. This vulnerability...

Vendor

GitHub Security Advisories

Published

September 1, 2026

Last Modified

September 2, 2026

🔗 CVE IDs covered (1)

CVE-2026-84123 →

📋 Description

Privilege escalation due to use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 155 and Firefox ESR 153.2.

🔗 References (7)

https://nvd.nist.gov/vuln/detail/CVE-2026-84123
https://bugzilla.mozilla.org/show_bug.cgi?id=2060047
https://www.mozilla.org/security/advisories/mfsa2026-82
https://www.mozilla.org/security/advisories/mfsa2026-85
https://www.mozilla.org/security/advisories/mfsa2026-86
https://www.mozilla.org/security/advisories/mfsa2026-88
https://github.com/advisories/GHSA-9q9x-3h5p-qv27