CVE-2026-4688
CRITICAL
mozilla
NVD
CVSS Score
10
Severity
CRITICAL
Published
Mar 24, 2026
Vendor
mozilla
Description
Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.