CVE-2026-11174: Google Chrome

Medium severity, CVSS 5.3. EPSS: 0.2% chance of exploitation in the next 30 days.

Inappropriate implementation in Site Isolation in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)

Affected products

• Google Chrome: before 149.0.7827.53 (fixed in 149.0.7827.53)

Published 2026-06-04. Last modified 2026-07-23.