CVE-2026-13871: Google Chrome

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Insufficient policy enforcement in GuestView in Google Chrome prior to 150.0.7871.47 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 150.0.7871.47 (fixed in 150.0.7871.47)

Published 2026-06-30. Last modified 2026-07-02.