CVE-2020-6509: Google Chrome

Critical severity, CVSS 9.6. EPSS: 0.8% chance of exploitation in the next 30 days.

Use after free in extensions in Google Chrome prior to 83.0.4103.116 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.

Affected products

• Google Chrome: before 83.0.4103.116 (fixed in 83.0.4103.116)

Published 2020-07-22. Last modified 2026-06-17.