by Kastro
Paper/Archive/CVE-2026-16367

CVE-2026-16367

Mozilla Firefox — Sandbox escape due to invalid pointer in the Disability Access APIs component

EPSS 0.6%CVSS 10.0
critical.is priorityof 100
39
CVSS 10.0 (ADP)10.0 / 10 × 3030.0Not in CISA KEV+300.0EPSS percentile 46.1.461 × 209.2No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Sandbox escape due to invalid pointer in the Disability Access APIs component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

Affected

ProductAffectedFixed inSource
Firefoxsee advisory153CNA
Thunderbirdsee advisory153CNA

Scores by source

CISA ADP10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refbugzilla.mozilla.org/show_bug.cgi?id=2050627refmozilla.org/security/advisories/mfsa2026-68refmozilla.org/security/advisories/mfsa2026-71