CVE-2026-9959: Google Chrome

Low severity, CVSS 3.1. EPSS: 0.2% chance of exploitation in the next 30 days.

Race in WebRTC in Google Chrome on Windows prior to 148.0.7778.216 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

Affected products

• Google Chrome: before 148.0.7778.216 (fixed in 148.0.7778.216)

Published 2026-05-28. Last modified 2026-07-21.