CVE-2026-124900

CVE-2026-124900CVE-2026-124900

Description

Sandbox escape due to use-after-free in the DOM: Service Workers component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

Scoring

CVSS 9.6 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Last modified2026-11-10
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.