CVE-2026-91709: Google Chrome

High severity, CVSS 8.8. EPSS: 0.4% chance of exploitation in the next 30 days.

Type confusion in ServiceWorker in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Affected products

• Google Chrome: before 153.0.8010.47 (fixed in 153.0.8010.47)

Published 2026-09-15. Last modified 2026-09-17.