CVE-2026-95339: Google Chrome

Critical severity, CVSS 9.6. EPSS: 0.5% chance of exploitation in the next 30 days.

Use after free in ServiceWorker in Google Chrome prior to 154.0.8037.57 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

Affected products

• Google Chrome: before 154.0.8037.57 (fixed in 154.0.8037.57)

Published 2026-09-29. Last modified 2026-09-30.