VULNERABILITY INTELLIGENCE

CVE-2026-4725

CVSS score10 CRITICAL

EPSS probability0.33%

CISA KEVNot currently listed

Published2026-03-24

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Description

Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.