CVE-2026-121185: chromium-browser: Use after free in PictureInPicture

Severity: Critical

CVSS Score: 9.6

Use after free in PictureInPicture in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)