CVE-2026-4722 — Privilege escalation in the IPC component

Privilege escalation in the IPC component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.

Published: 2026-03-24 · CVSS: 8.8 · CVSS 3.1

Privilege escalation in the IPC component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.

Original CVE JSON · STIX 2.1

Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7