VULNERABILITY INTELLIGENCE

CVE-2026-12456

CVSS score4.2 MEDIUM
EPSS probability0.14%
CISA KEVNot currently listed
Published2026-06-17
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N

Description

Inappropriate implementation in Extensions in Google Chrome prior to 149.0.7827.155 allowed an attacker who convinced a user to install a malicious extension to bypass same origin policy via a crafted Chrome Extension. (Chromium security severity: High)

Weakness classification

  • chrome-cve-admin@google.com: CWE-20

Primary references