CVE-2026-124907
HIGH
NVD
CVSS Score
8.8
Severity
HIGH
Published
Nov 10, 2026
Vendor
unknown
Description
Privilege escalation, sandbox escape due to use-after-free in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.