CVE-2016-5201: Google Chrome

Medium severity, CVSS 6.5. EPSS: 1.2% chance of exploitation in the next 30 days.

A leak of privateClass in the extensions API in Google Chrome prior to 54.0.2840.100 for Linux, and 54.0.2840.99 for Windows, and 54.0.2840.98 for Mac allowed a remote attacker to access privileged JavaScript code via a crafted HTML page.

Affected products

• Google Chrome: up to and including 54.0.2840.87

Published 2017-01-19. Last modified 2026-06-17.