CVE-2026-87577: Google Chrome

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

Incorrect authorization in Isolated in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass web origin policy into a privileged page via a crafted HTML page. (Chromium security severity: Medium)

Affected products

• Google Chrome: before 153.0.8010.36 (fixed in 153.0.8010.36)

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