CVE-2026-11656: Google Chrome

High severity, CVSS 8.3. EPSS: 0.2% chance of exploitation in the next 30 days.

Use after free in ServiceWorker in Google Chrome prior to 149.0.7827.103 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension. (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.