VULNERABILITY INTELLIGENCE

CVE-2026-16366

CVSS score8.8 HIGH
EPSS probability0.40%
CISA KEVNot currently listed
Published2026-07-21
Last modified2026-10-24
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-269

Primary references