CVE-2026-16352: firefox: thunderbird: Sandbox escape due to use-after-free in the Disability Access APIs component

Severity: Critical

CVSS Score: 9.8

Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.