CVE-2026-92052High· 8.8▾ TwilightPrivilege 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.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 48.4 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 19.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
— → 8.8
none → high
Last analysed / modified upstream
0.3%
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.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-92078Medium· 6.5Denial-of-service in the Security component
CVE-2026-92077Medium· 6.5Denial-of-service in the SVG component
CVE-2026-92005Medium· 5.3Use-after-free in the Audio/Video: Web Codecs component
CVE-2026-92018Critical· 9.6Sandbox escape in the DOM: Core & HTML component
CVE-2026-92032Critical· 9.6Sandbox escape due to invalid pointer in the Graphics component
CVE-2026-92035Critical· 9.6Sandbox escape due to incorrect boundary conditions in the Graphics component