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Vulnerabilities of Mozilla Firefox

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CVE Summary Score Published
CVE-2026-16356 Sandbox escape due to use-after-free in the Disability Access APIs component 9.8 Critical Jul 21, 2026
CVE-2026-16355 JIT miscompilation in the JavaScript Engine: JIT component 9.8 Critical Jul 21, 2026
CVE-2026-16369 Integer overflow in the JavaScript: WebAssembly component 9.8 Critical Jul 21, 2026
CVE-2026-16367 Sandbox escape due to invalid pointer in the Disability Access APIs component 10.0 Critical Jul 21, 2026
CVE-2026-16368 Incorrect boundary conditions in the JavaScript: WebAssembly component 9.8 Critical Jul 21, 2026
CVE-2026-16353 Invalid pointer in the DOM: Bindings (WebIDL) component 9.8 Critical Jul 21, 2026
CVE-2026-16363 JIT miscompilation in the JavaScript: WebAssembly component 9.8 Critical Jul 21, 2026
CVE-2026-16364 Incorrect boundary conditions in the Audio/Video: Playback component 9.1 Critical Jul 21, 2026
CVE-2026-16352 Sandbox escape due to use-after-free in the Disability Access APIs component 9.8 Critical Jul 21, 2026
CVE-2026-16351 Sandbox escape due to use-after-free in the DOM: Navigation component 9.8 Critical Jul 21, 2026
CVE-2026-16350 Incorrect boundary conditions in the Audio/Video: cubeb component 9.8 Critical Jul 21, 2026
CVE-2026-16349 Same-origin policy bypass in the DOM: Navigation component 9.8 Critical Jul 21, 2026
CVE-2026-12316 Mitigation bypass in the DOM: Security component 9.1 Critical Jun 16, 2026
CVE-2026-12315 Mitigation bypass in the DOM: Security component 9.1 Critical Jun 16, 2026
CVE-2026-12304 Same-origin policy bypass in the Networking: Cookies component 9.1 Critical Jun 16, 2026
CVE-2026-12297 Sandbox escape due to incorrect boundary conditions in the Networking component 9.6 Critical Jun 16, 2026
CVE-2026-12296 Sandbox escape in the Security: Process Sandboxing component 9.6 Critical Jun 16, 2026
CVE-2026-12295 Sandbox escape in the DOM: Navigation component 9.6 Critical Jun 16, 2026
CVE-2026-12294 Sandbox escape in the DOM: Workers component 9.6 Critical Jun 16, 2026
CVE-2026-12293 Use-after-free in the Graphics: WebGPU component 9.8 Critical Jun 16, 2026
CVE-2026-8959 Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component 9.6 Critical May 19, 2026
CVE-2026-8956 Integer overflow in the Networking: JAR component 9.8 Critical May 19, 2026
CVE-2026-8953 Sandbox escape due to use-after-free in the Disability Access APIs component 9.6 Critical May 19, 2026
CVE-2026-8950 Same-origin policy bypass in the Networking: HTTP component 9.3 Critical May 19, 2026
CVE-2026-8948 Same-origin policy bypass in the DOM: Networking component 9.1 Critical May 19, 2026

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