VULNERABILITY INTELLIGENCE

CVE-2026-84123

CVSS score8.8 HIGH
EPSS probability0.44%
CISA KEVNot currently listed
Published2026-09-01
Last modified2026-09-02
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

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

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-416

Primary references