CVE-2026-74938EPSS p36.2%

CVE-2026-74938CVE-2026-74938

mozilla / firefox

Description

Mitigation bypass in the JavaScript: GC component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

Scoring

CVSS 9.1 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS0.44% probability of exploitation · percentile 36.2% · 2026-10-05T12:00:23Z
Last modified2026-08-19
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.