CVE-2026-74979

CVE-2026-74979CVE-2026-74979

Description

Mitigation bypass in the Add-ons Manager component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

Scoring

CVSS 9.8 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Last modified2026-08-18
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.