VULNERABILITY INTELLIGENCE

CVE-2026-8964

CVSS score7.5 HIGH
EPSS probability0.30%
CISA KEVNot currently listed
Published2026-05-19
Last modified2026-07-23
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Description

Spoofing issue in the Popup Blocker component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

Weakness classification

  • CWE-451: User Interface (UI) Misrepresentation of Critical Information

Primary references