CVE-2020-16017: Google Chrome Use-After-Free Vulnerability

Critical severity, CVSS 9.6. Actively exploited: in CISA KEV since 2021-11-03. EPSS: 2.7% chance of exploitation in the next 30 days.

Use after free in site isolation in Google Chrome prior to 86.0.4240.198 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Affected products

• Google Chrome: before 86.0.4240.198 (fixed in 86.0.4240.198)

Published 2021-01-08. Last modified 2026-06-17.