CVE-2026-91709
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)
- Published Sep 15, 2026
- CVSS 8.8 high
- 0.4% chance of exploitation in the next 30 days (EPSS)
- A fix is available