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CVE-2026-6750
published 2026-04-21

CVE-2026-6750: Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird…

high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Affected

11 ranges
VendorProductVersion rangeFixed in
mozillafirefox< Firefox 150Firefox 150
mozillafirefox< 115.35.0115.35.0
mozillafirefox< 150.0150.0
mozillafirefox——
mozillafirefox>= 140.0 < 140.10.0140.10.0
mozillafirefox_esr< Firefox ESR 115.35Firefox ESR 115.35
mozillafirefox_esr< Firefox ESR 140.10Firefox ESR 140.10
mozillathunderbird< Thunderbird 150Thunderbird 150
mozillathunderbird< Thunderbird 140.10Thunderbird 140.10
mozillathunderbird< 140.10.0140.10.0
rhel10firefox-flatpak——