Privilege Escalation Risk in Firefox WebGPU Component
CVE-2026-84123
Currently unrated
What is CVE-2026-84123?
A use-after-free vulnerability in the Graphics: WebGPU component of Firefox can lead to privilege escalation. This flaw allows attackers to execute arbitrary code under the context of a user with higher permissions, potentially compromising system security. Users are advised to update to Firefox 155 or ESR 153.2 to mitigate this issue. More information can be found in Mozilla's security advisories.
Affected Version(s)
Firefox 153.2
Firefox 155