CVE-2026-17749: Google Chrome

Critical severity, CVSS 9.6. EPSS: 0.3% chance of exploitation in the next 30 days.

Insufficient validation of untrusted input in Extensions in Google Chrome prior to 151.0.7922.72 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape 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 2026-08-10.