CVE-2026-100811None▾ SunlitSandbox escape due to use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, and Firefox ESR 140.17.
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Sandbox escape due to use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, and Firefox ESR 140.17.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-96869NoneInformation disclosure in the Networking component
CVE-2026-100821NoneSite isolation issue in the Panning and Zooming component
CVE-2026-100820High· 8.8Privilege escalation in the Address Bar component
CVE-2026-100819Critical· 9.6Sandbox escape due to incorrect boundary conditions in the XPCOM component
CVE-2026-100818Critical· 9.6Sandbox escape due to use-after-free in the Widget: Gtk component
CVE-2026-100807High· 8.8Privilege escalation in the DOM: Service Workers component