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Known vulnerabilities in Mozilla Firefox

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CVE Summary Score Published
CVE-2026-92058 Use-after-free in the Graphics component 8.8 High Sep 15, 2026
CVE-2026-92057 Mitigation bypass in the Enterprise Policies component 9.1 Critical Sep 15, 2026
CVE-2026-92056 Use-after-free in the Graphics: Text component 8.8 High Sep 15, 2026
CVE-2026-92055 Privilege escalation in the DevTools component 8.8 High Sep 15, 2026
CVE-2026-92054 Privilege escalation in the Memory component 8.8 High Sep 15, 2026
CVE-2026-92053 Privilege escalation in the Graphics: CanvasWebGL component 8.8 High Sep 15, 2026
CVE-2026-92052 Privilege escalation due to uninitialized memory in the Graphics: CanvasWebGL component 8.8 High Sep 15, 2026
CVE-2026-92051 Spoofing issue due to invalid pointer in the Graphics component 9.1 Critical Sep 15, 2026
CVE-2026-92050 Sandbox escape due to race condition in the XPConnect component 9.1 Critical Sep 15, 2026
CVE-2026-92049 Use-after-free in the Widget: Win32 component 8.8 High Sep 15, 2026
CVE-2026-92048 Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component 9.0 Critical Sep 15, 2026
CVE-2026-92047 Privilege escalation in the Crash Reporting component 8.8 High Sep 15, 2026
CVE-2026-92046 Use-after-free in the Graphics component 8.8 High Sep 15, 2026
CVE-2026-92045 Sandbox escape due to incorrect boundary conditions in the WebRTC component 9.6 Critical Sep 15, 2026
CVE-2026-92044 Information disclosure in the Networking: HTTP component 7.5 High Sep 15, 2026
CVE-2026-92043 Privilege escalation due to incorrect boundary conditions in the Audio/Video component 8.8 High Sep 15, 2026
CVE-2026-92042 Race condition in the DOM: Content Processes component 7.5 High Sep 15, 2026
CVE-2026-92041 Mitigation bypass in the DOM: Networking component 9.1 Critical Sep 15, 2026
CVE-2026-92040 Use-after-free in the JavaScript: WebAssembly component 8.8 High Sep 15, 2026
CVE-2026-92039 Mitigation bypass in the DOM: Notifications component 6.3 Medium Sep 15, 2026
CVE-2026-92038 Mitigation bypass in the Remote Settings Client component 9.1 Critical Sep 15, 2026
CVE-2026-92037 Incorrect boundary conditions in the DOM: Animation component 9.8 Critical Sep 15, 2026
CVE-2026-92036 Incorrect boundary conditions in the Networking: HTTP component 9.8 Critical Sep 15, 2026
CVE-2026-92035 Sandbox escape due to incorrect boundary conditions in the Graphics component 9.6 Critical Sep 15, 2026
CVE-2026-92034 Site isolation issue in the Graphics component 9.1 Critical Sep 15, 2026

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