CVE-2026-12456

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CVSS 3.1

4.2 medium

EPSS

<1%p3

Published

Jun 17, 2026 (Jun 17, 2026)

Modified

Jun 17, 2026

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)

Vendors: google
Products: chrome
Weakness: CWE-20
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.1%)

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