CVE-2026-12457
MEDIUM
apple, google, linux, microsoft
chrome, linux_kernel, macos, windows
NVD
CVSS Score
4.2
Severity
MEDIUM
Published
Jun 17, 2026
Vendor
apple, google, linux, microsoft
Description
Inappropriate implementation in Extensions in Google Chrome prior to 149.0.7827.155 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)