CVE-2026-11206: Google Chrome

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

Insufficient policy enforcement in ServiceWorker in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data 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.