CVE-2026-103621: Google Chrome

Medium severity, CVSS 4.3. EPSS: 0.2% chance of exploitation in the next 30 days.

Integer overflow in Compositing in Google Chrome prior to 154.0.8037.97 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

Affected products

• Google Chrome: before 154.0.8037.97 (fixed in 154.0.8037.97)

Published 2026-10-02. Last modified 2026-10-05.