CVE-2026-74944EPSS p46.4%

CVE-2026-74944CVE-2026-74944

mozilla / firefox

Description

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, 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
EPSS0.59% probability of exploitation · percentile 46.4% · 2026-10-05T12:00:23Z
Last modified2026-08-21
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.