CVE-2026-92015

High8.8Published on September 15, 2026

Privilege escalation in the WebExtensions component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

CVSS score8.8 / 10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness type (CWE)CWE-269

Related articles

This product uses the NVD API but is not endorsed or certified by the NVD.

CVE database