CVE-2026-12298EPSS p23.0%

CVE-2026-12298CVE-2026-12298

mozilla / firefox

Description

Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

Scoring

CVSS 5.4 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
EPSS0.31% probability of exploitation · percentile 23.0% · 2026-08-03T12:00:16Z
Last modified2026-07-15
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.