CVE-2026-100758: Sandbox escape in the DOM: Navigation component. This vulnerability wa ...

Severity: Critical

CVSS Score: 9.6

Sandbox escape in the DOM: Navigation component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.