Detections
Analytics

CVE-2026-2803

high

Description

Information disclosure, mitigation bypass in the Settings UI component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

References

https://www.mozilla.org/security/advisories/mfsa2026-16/

https://www.mozilla.org/security/advisories/mfsa2026-13/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-8456

https://bugzilla.mozilla.org/show_bug.cgi?id=2012012

Details

Source: Mitre, NVD

Published: 2026-02-24

Updated: 2026-04-13

Named Vulnerability: GHSA-7cfj-7vv8-r64h

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

Severity: High

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.00017