CVE-2026-92034High· 7.5▾ TwilightSite isolation issue in the Graphics component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 19.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
— → 7.5
none → high
0.1%
Site isolation issue in the Graphics component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.
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-2026-92006High· 8.8Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component
CVE-2026-92045Medium· 6.1Sandbox escape due to incorrect boundary conditions in the WebRTC component
CVE-2026-92066Low· 3.4Sandbox escape in the Profile Backup component
CVE-2026-92068Low· 3.4Site isolation issue in the Reader Mode component
CVE-2026-92079Low· 3.4Mitigation bypass in the Widget: Win32 component
CVE-2026-92078Medium· 6.5Denial-of-service in the Security component