CVE-2026-92032

CRITICAL 9.6CVE-2026-92032 · Published 15/09/2026 · updated 05/10/2026

Package	Affected versions	Patched versions
firefox mozilla	`≥ 141.0, < 153.3.0≥ 154.0.0, < 156.0.0< 140.16.0`	`153.3.0156.0.0140.16.0`
thunderbird mozilla	`≥ 141.0, < 153.3.0≥ 154.0, < 156.0< 140.16.0`	`153.3.0156.0140.16.0`

Description

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.

References

bugzilla.mozilla.org/show_bug.cgi · Permissions Required
mozilla.org/security/advisories/mfsa2026-90 · Vendor Advisory
mozilla.org/security/advisories/mfsa2026-92 · Vendor Advisory
mozilla.org/security/advisories/mfsa2026-93 · Vendor Advisory
mozilla.org/security/advisories/mfsa2026-94 · Vendor Advisory
mozilla.org/security/advisories/mfsa2026-95 · Vendor Advisory
mozilla.org/security/advisories/mfsa2026-96 · Vendor Advisory

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free