CVE-2026-4688

Summary

Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Affected Software

VendorProductVersion RangeStatus
MozillaFirefox140.9 <= 140.*unaffected
MozillaFirefox149 <= *unaffected
MozillaThunderbird140.9 <= 140.*unaffected
MozillaThunderbird149 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

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

Additional References

References