CVE-2026-11658: Google Chrome

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Insufficient validation of untrusted input in Extensions in Google Chrome prior to 149.0.7827.103 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

Affected products

• Google Chrome: before 149.0.7827.103 (fixed in 149.0.7827.103)

Published 2026-06-09. Last modified 2026-07-23.