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Vulnerabilities of Mozilla Firefox

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CVE Summary Score Published
CVE-2026-109707 Sandbox escape due to use-after-free in the Networking component 9.6 Critical Oct 13, 2026
CVE-2026-109708 Sandbox escape due to incorrect boundary conditions in the Networking component 9.6 Critical Oct 13, 2026
CVE-2026-109705 Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component 9.6 Critical Oct 13, 2026
CVE-2026-106016 Mitigation bypass in the File Handling component 9.8 Critical Oct 6, 2026
CVE-2026-100829 Mitigation bypass in the DOM: Security component 9.6 Critical Sep 29, 2026
CVE-2026-100828 Mitigation bypass in the Bookmarks & History component 9.6 Critical Sep 29, 2026
CVE-2026-100819 Sandbox escape due to incorrect boundary conditions in the XPCOM component 9.6 Critical Sep 29, 2026
CVE-2026-100818 Sandbox escape due to use-after-free in the Widget: Gtk component 9.6 Critical Sep 29, 2026
CVE-2026-100810 Other issue in the DevTools component 9.8 Critical Sep 29, 2026
CVE-2026-100811 Sandbox escape due to use-after-free in the DOM: Core & HTML component 9.6 Critical Sep 29, 2026
CVE-2026-100804 Sandbox escape due to use-after-free in the Preferences: Backend component 9.6 Critical Sep 29, 2026
CVE-2026-100800 Sandbox escape due to use-after-free in the Disability Access APIs component 9.6 Critical Sep 29, 2026
CVE-2026-100794 Sandbox escape due to incorrect boundary conditions in the Internationalization component 9.6 Critical Sep 29, 2026
CVE-2026-100788 Invalid pointer in the JavaScript: WebAssembly component 9.8 Critical Sep 29, 2026
CVE-2026-100786 Sandbox escape due to use-after-free in the Graphics component 9.6 Critical Sep 29, 2026
CVE-2026-100787 Sandbox escape in the XUL component 9.6 Critical Sep 29, 2026
CVE-2026-100781 Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component 9.6 Critical Sep 29, 2026
CVE-2026-100778 Sandbox escape due to use-after-free in the DOM: Core & HTML component 9.6 Critical Sep 29, 2026
CVE-2026-100775 Sandbox escape in the Graphics component 9.6 Critical Sep 29, 2026
CVE-2026-100770 Sandbox escape due to use-after-free in the DOM: Content Processes component 9.6 Critical Sep 29, 2026
CVE-2026-100762 Sandbox escape due to use-after-free in the DOM: Content Processes component 9.6 Critical Sep 29, 2026
CVE-2026-100763 Incorrect boundary conditions in the Graphics: WebGPU component 9.1 Critical Sep 29, 2026
CVE-2026-100760 Sandbox escape in the Security: Process Sandboxing component 9.6 Critical Sep 29, 2026
CVE-2026-100758 Sandbox escape in the DOM: Navigation component 9.6 Critical Sep 29, 2026
CVE-2026-92079 Mitigation bypass in the Widget: Win32 component 9.1 Critical Sep 15, 2026

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