Firefox <149/ESR<140.9: Disability Access API UAF Sandbox Escape
CVE-2026-4688 Published on March 24, 2026
Sandbox escape due to use-after-free in the Disability Access APIs component
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.
Products Associated with CVE-2026-4688
Want to know whenever a new CVE is published for Mozilla products? stack.watch will email you.
Affected Versions
Mozilla Firefox:- Version unspecified and below 149 is affected.
- Version unspecified and below 140.9 is affected.
- Version unspecified and below 149 is affected.
- Version unspecified and below 140.9 is affected.