CVE-2026-12447: Google Chrome

High severity, CVSS 8.8. EPSS: 0.4% chance of exploitation in the next 30 days.

Heap buffer overflow in WebRTC in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

Affected products

• Google Chrome: before 149.0.7827.155 (fixed in 149.0.7827.155)

Published 2026-06-17. Last modified 2026-06-18.