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CVSS
EPSS
| CVE | CVSS | EPSS | Vendor, product | Description | Modified |
|---|---|---|---|---|---|
| CVE-2026-6768 | 9.8 critical | 0.00% | mozilla, firefox, thunderbird | Mitigation bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. | 26 Oct |
| CVE-2026-8091 | 9.8 critical | 0.00% | mozilla, firefox, thunderbird | Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, Thunderbird 140.10.1, and Firefox ESR 115.35.2. | 26 Oct |
| CVE-2026-14241 | 9.8 critical | 0.00% | mozilla, firefox | Memory safety bugs present in Firefox 152.0.3. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 152.0.4. | 25 Oct |
| CVE-2026-16349 | 9.8 critical | 0.00% | mozilla, firefox, thunderbird | Same-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | 24 Oct |
| CVE-2026-16358 | 9.8 critical | 0.00% | mozilla, firefox, thunderbird | Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | 24 Oct |
| CVE-2026-16375 | 9.8 critical | 0.00% | mozilla, firefox, thunderbird | Site isolation issue in the Networking: HTTP component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | 24 Oct |
| CVE-2026-16387 | 9.8 critical | 0.00% | mozilla, firefox, thunderbird | Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | 24 Oct |
| CVE-2026-5731 | 9.8 critical | 0.00% | mozilla, firefox, thunderbird | Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 149.0.2, Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1. | 24 Oct |
| CVE-2026-5734 | 9.8 critical | 0.00% | mozilla, firefox, thunderbird | Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1. | 23 Oct |
| CVE-2026-5735 | 9.8 critical | 0.00% | mozilla, firefox, thunderbird | Memory safety bugs present in Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 149.0.2 and Thunderbird 149.0.2. | 23 Oct |
| CVE-2025-11709 | 9.8 critical | 0.00% | mozilla, firefox, thunderbird | A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4. | 23 Oct |
| CVE-2025-11710 | 9.8 critical | 0.00% | mozilla, firefox, thunderbird | A compromised web process using malicious IPC messages could have caused the privileged browser process to reveal blocks of its memory to the compromised process. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4. | 23 Oct |
| CVE-2026-100788 | 9.8 critical | 0.00% | mozilla, firefox, thunderbird | Invalid pointer in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17. | 19 Oct |
| CVE-2025-11719 | 9.8 critical | 0.00% | mozilla, firefox, thunderbird | Starting in Thunderbird 143, the use of the native messaging API by web extensions on Windows could lead to crashes caused by use-after-free memory corruption. This vulnerability was fixed in Firefox 144 and Thunderbird 144. | 18 Oct |
| CVE-2025-11721 | 9.8 critical | 0.00% | mozilla, firefox, thunderbird | Memory safety bug present in Firefox 143 and Thunderbird 143. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 144 and Thunderbird 144. | 18 Oct |
| CVE-2025-13021 | 9.8 critical | 0.00% | mozilla, firefox | Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145. | 18 Oct |
| CVE-2025-13022 | 9.8 critical | 0.00% | mozilla, firefox | Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145. | 18 Oct |
| CVE-2025-13023 | 9.8 critical | 0.00% | mozilla, firefox | Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145. | 18 Oct |
| CVE-2025-13024 | 9.8 critical | 0.00% | mozilla, firefox | JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 145 and Thunderbird 145. | 18 Oct |
| CVE-2025-13026 | 9.8 critical | 0.00% | mozilla, firefox | Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145. | 18 Oct |
| CVE-2026-106016 | 9.8 critical | 0.00% | mozilla, firefox | Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 157.0.1 and Thunderbird 158. | 13 Oct |
| CVE-2025-12380 | 9.8 critical | 0.00% | mozilla, firefox | Starting with Firefox 142, it was possible for a compromised child process to trigger a use-after-free in the GPU or browser process using WebGPU-related IPC calls. This may have been usable to escape the child process sandbox. This vulnerability was fixed in Firefox 144.0.2. | 8 Oct |
| CVE-2026-7321 | 9.6 critical | 0.00% | mozilla, firefox, thunderbird | Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, and Thunderbird 140.10.1. | Mon 26 Oct |
| CVE-2026-12294 | 9.6 critical | 0.00% | mozilla, firefox, thunderbird | Sandbox escape in the DOM: Workers component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. | Mon 26 Oct |
| CVE-2026-12296 | 9.6 critical | 0.00% | mozilla, firefox, thunderbird | Sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | Mon 26 Oct |
| CVE-2026-12297 | 9.6 critical | 0.00% | mozilla, firefox, thunderbird | Sandbox escape due to incorrect boundary conditions in the Networking component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. | Mon 26 Oct |
| CVE-2026-100800 | 9.6 critical | 0.00% | mozilla, firefox, thunderbird | Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157. | 19 Oct |
| CVE-2026-100804 | 9.6 critical | 0.00% | mozilla, firefox, thunderbird | Sandbox escape due to use-after-free in the Preferences: Backend component. This vulnerability was fixed in Thunderbird 157 and Firefox 157. | 19 Oct |
| CVE-2026-100794 | 9.6 critical | 0.00% | mozilla, firefox, thunderbird | Sandbox escape due to incorrect boundary conditions in the Internationalization component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17. | 19 Oct |
| CVE-2026-8959 | 9.6 critical | 0.00% | mozilla, firefox, thunderbird | Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | 14 Oct |
| CVE-2026-100758 | 9.6 critical | 0.00% | mozilla, firefox, thunderbird | Sandbox escape in the DOM: Navigation component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17. | 13 Oct |
| CVE-2026-100760 | 9.6 critical | 0.00% | mozilla, firefox, thunderbird | Sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157. | 13 Oct |
| CVE-2026-100762 | 9.6 critical | 0.00% | mozilla, firefox, thunderbird | Sandbox escape due to use-after-free in the DOM: Content Processes component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17. | 13 Oct |
| CVE-2026-100828 | 9.6 critical | 0.00% | mozilla, firefox, thunderbird | Mitigation bypass in the Bookmarks & History component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157. | 13 Oct |
| CVE-2026-100829 | 9.6 critical | 0.00% | mozilla, firefox, thunderbird | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157. | 13 Oct |
| CVE-2026-8950 | 9.3 critical | 0.00% | mozilla, firefox, thunderbird | Same-origin policy bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | 14 Oct |
| CVE-2026-12304 | 9.1 critical | 0.00% | mozilla, firefox, thunderbird | Same-origin policy bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | Mon 26 Oct |
| CVE-2026-12315 | 9.1 critical | 0.00% | mozilla, firefox, thunderbird | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | Mon 26 Oct |
| CVE-2026-12316 | 9.1 critical | 0.00% | mozilla, firefox, thunderbird | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152 and Thunderbird 152. | Mon 26 Oct |
| CVE-2026-16364 | 9.1 critical | 0.00% | mozilla, firefox, thunderbird | Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | 24 Oct |
| CVE-2026-16359 | 9.1 critical | 0.00% | mozilla, firefox, thunderbird | Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | 24 Oct |
| CVE-2026-16370 | 9.1 critical | 0.00% | mozilla, firefox, thunderbird | Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | 24 Oct |
| CVE-2026-16380 | 9.1 critical | 0.00% | mozilla, firefox, thunderbird | Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | 24 Oct |
| CVE-2026-16381 | 9.1 critical | 0.00% | mozilla, firefox, thunderbird | Same-origin policy bypass in the Networking: DNS component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | 24 Oct |
| CVE-2026-16390 | 9.1 critical | 0.00% | mozilla, firefox, thunderbird | Mitigation bypass in the Enterprise Policies component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | 24 Oct |
| CVE-2026-16394 | 9.1 critical | 0.00% | mozilla, firefox | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | 24 Oct |
| CVE-2026-16406 | 9.1 critical | 0.00% | mozilla, firefox | Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | 24 Oct |
| CVE-2026-8948 | 9.1 critical | 0.00% | mozilla, firefox, thunderbird | Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | 14 Oct |
| CVE-2026-100763 | 9.1 critical | 0.00% | mozilla, firefox, thunderbird | Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Thunderbird 157 and Firefox 157. | 13 Oct |
| CVE-2025-11717 | 9.1 critical | 0.00% | mozilla, firefox | When switching between Android apps using the card carousel Firefox shows a black screen as its card image when a password-related screen was the last one being used. Prior to Firefox 144 the password edit screen was visible. This vulnerability was fixed in Firefox 144. | 8 Oct |
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EPSS scores: 2026-11-01. NVD cursor: 2026-10-29 00:22. The News page shows only notable CVEs (KEV, your stack, new criticals, EPSS over 50%, or active exploitation per SSVC); this table has all of them.