CVE-2026-12437
HIGH
NVD
CVSS Score
8.3
Severity
HIGH
Published
Jun 17, 2026
Vendor
unknown
Description
Use after free in WebShare in Google Chrome on Windows prior to 149.0.7827.155 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)