VULNERABILITY INTELLIGENCE

CVE-2026-2799

CVSS score9.8 CRITICAL

EPSS probability0.54%

CISA KEVNot currently listed

Published2026-02-24

Last modified2026-07-15

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

Description

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.