CVE-2026-92048

critical · 9

Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.

CVSS

0.2%

EPSS (exploit prob.)

5th

EPSS percentile

2026-09-15

Published

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Weaknesses

CWE-119

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2061235
https://www.mozilla.org/security/advisories/mfsa2026-90/
https://www.mozilla.org/security/advisories/mfsa2026-93/
https://www.mozilla.org/security/advisories/mfsa2026-94/
https://www.mozilla.org/security/advisories/mfsa2026-96/

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-92048