CVE-2026-5874: chromium-browser: Google Chrome: Sandbox escape via use-after-free in PrivateAI

Severity: Critical

CVSS Score: 9.6

Use after free in PrivateAI in Google Chrome prior to 147.0.7727.55 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)