CVE-2026-106384: Google Chrome

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Missing authorization in SiteIsolation in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)

Affected products

• Google Chrome: before 155.0.8059.39 (fixed in 155.0.8059.39)

Published 2026-10-06. Last modified 2026-10-09.