CVE-2026-16366 — Privilege escalation in the DOM: Navigation component
Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
Published: 2026-07-21 · CVSS: 8.8 · CVSS 3.1
Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7