CVE-2026-91749: Google Chrome

Critical severity, CVSS 9.6. EPSS: 0.4% chance of exploitation in the next 30 days.

Use after free in Workers in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

Affected products

• Google Chrome: before 153.0.8010.47 (fixed in 153.0.8010.47)

Published 2026-09-15. Last modified 2026-09-24.