by Kastro
Paper/Archive/CVE-2026-92032

CVE-2026-92032

Mozilla Firefox — Sandbox escape due to invalid pointer in the Graphics component

EPSS 0.3%CVSS 9.6
critical.is priorityof 100
34
CVSS 9.6 (ADP)9.6 / 10 × 3028.8Not in CISA KEV+300.0EPSS percentile 25.1.251 × 205.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Sandbox escape due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

Affected

ProductAffectedFixed inSource
Firefoxsee advisory140.16CNA
Thunderbirdsee advisory140.16CNA

Scores by source

CISA ADP9.6CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refbugzilla.mozilla.org/show_bug.cgi?id=2068437refmozilla.org/security/advisories/mfsa2026-90refmozilla.org/security/advisories/mfsa2026-92refmozilla.org/security/advisories/mfsa2026-93refmozilla.org/security/advisories/mfsa2026-94refmozilla.org/security/advisories/mfsa2026-95refmozilla.org/security/advisories/mfsa2026-96