Vulnerability Details CVE-2026-92052
Privilege escalation due to uninitialized memory in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 15.5%
CVSS Severity
CVSS v3 Score 8.8