CVE-2026-78939: chromium-browser: chromium-browser: Use after free in Chromecast

Severity: Critical

CVSS Score: 9.6

Use after free in Chromecast in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)