CVE-2026-17781: Google Chrome

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

Inappropriate implementation in Extensions in Google Chrome prior to 151.0.7922.72 allowed an attacker who convinced a user to install a malicious extension to leak cross-origin data via a crafted Chrome Extension. (Chromium security severity: Medium)

Affected products

• Google Chrome: before 151.0.7922.72 (fixed in 151.0.7922.72)

Published 2026-07-30. Last modified 2026-08-03.