VULNERABILITY INTELLIGENCE

CVE-2026-6746

CVSS score7.5 HIGH
EPSS probability0.95%
CISA KEVNot currently listed
Published2026-04-21
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-416
  • 0b0ca135-0b70-47e7-9f44-1890c2a1c46c: CWE-825

Primary references