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CVSS
EPSS
| CVE | CVSS | EPSS | Vendor, product | Description | Modified |
|---|---|---|---|---|---|
| CVE-2026-8975 | 8.8 high | 0.00% | mozilla, firefox, thunderbird | Memory safety bugs present in Thunderbird 140.10 and Thunderbird 150. 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 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | 21 Oct |
| CVE-2026-8974 | 8.8 high | 0.00% | mozilla, firefox, thunderbird | Memory safety bugs present in Thunderbird 140.10 and Thunderbird 150. 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 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | 21 Oct |
| CVE-2026-8973 | 8.8 high | 0.00% | mozilla, firefox, thunderbird | Memory safety bugs present in Thunderbird 150. 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 151 and Thunderbird 151. | 21 Oct |
| CVE-2026-109762 | 8.8 high | 0.00% | no CPE yet | Incorrect boundary conditions in the SVG component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5. | 19 Oct |
| CVE-2026-100807 | 8.8 high | 0.00% | mozilla, firefox, thunderbird | Privilege escalation in the DOM: Service Workers 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-2026-100789 | 8.8 high | 0.00% | mozilla, firefox, thunderbird | Use-after-free in the Graphics: Canvas2D 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. | 19 Oct |
| CVE-2026-100790 | 8.8 high | 0.00% | mozilla, firefox, thunderbird | Use-after-free in the XSLT 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. | 19 Oct |
| CVE-2026-100791 | 8.8 high | 0.00% | mozilla, firefox, thunderbird | Use-after-free in the DOM: Core & HTML 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. | 19 Oct |
| CVE-2026-100796 | 8.8 high | 0.00% | mozilla, firefox, thunderbird | Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Thunderbird 157 and Firefox 157. | 19 Oct |
| CVE-2026-100797 | 8.8 high | 0.00% | mozilla, firefox, thunderbird | Privilege escalation due to use-after-free in the Graphics: WebRender 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. | 19 Oct |
| CVE-2026-109730 | 8.8 high | 0.00% | no CPE yet | Integer overflow in the Graphics component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5. | 15 Oct |
| CVE-2026-8952 | 8.8 high | 0.00% | mozilla, firefox, thunderbird | Privilege escalation in the Application Update component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | 14 Oct |
| CVE-2026-8955 | 8.8 high | 0.00% | mozilla, firefox, thunderbird | Privilege escalation in the DOM: Workers component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | 14 Oct |
| CVE-2026-8957 | 8.8 high | 0.00% | mozilla, firefox, thunderbird | Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | 14 Oct |
| CVE-2026-109743 | 8.8 high | 0.00% | no CPE yet | Privilege escalation in the Panning and Zooming component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5. | 14 Oct |
| CVE-2026-109739 | 8.8 high | 0.00% | no CPE yet | Privilege escalation in the WebExtensions component. This vulnerability was fixed in Firefox 158 and Thunderbird 158. | 14 Oct |
| CVE-2026-109704 | 8.8 high | 0.00% | no CPE yet | Privilege escalation in the Application Update component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5. | 14 Oct |
| CVE-2026-109778 | 8.8 high | 0.00% | no CPE yet | Privilege escalation in the WebExtensions component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5. | 14 Oct |
| CVE-2026-109756 | 8.8 high | 0.00% | no CPE yet | Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5. | 14 Oct |
| CVE-2026-109709 | 8.8 high | 0.00% | no CPE yet | Information disclosure, privilege escalation in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5. | 14 Oct |
| CVE-2026-103418 | 8.8 high | 0.00% | no CPE yet | Firefox for iOS directly interpolated the page’s HTML language attribute into translation JavaScript, allowing attacker-controlled markup to execute code in Firefox’s privileged content world and bypass the page’s Content Security Policy. This vulnerability was fixed in Firefox for iOS 157.1. | 14 Oct |
| CVE-2026-100757 | 8.8 high | 0.00% | mozilla, firefox, thunderbird | Use-after-free in the Widget 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-2026-100761 | 8.8 high | 0.00% | mozilla, firefox, thunderbird | Privilege escalation due to use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Thunderbird 157 and Firefox 157. | 13 Oct |
| CVE-2026-100764 | 8.8 high | 0.00% | mozilla, firefox, thunderbird | Privilege escalation due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Thunderbird 157 and Firefox 157. | 13 Oct |
| CVE-2026-100765 | 8.8 high | 0.00% | mozilla, firefox, thunderbird | Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157. | 13 Oct |
| CVE-2026-100824 | 8.8 high | 0.00% | mozilla, firefox, thunderbird | Privilege escalation in the Places component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157. | 13 Oct |
| CVE-2026-100825 | 8.8 high | 0.00% | mozilla, firefox, thunderbird | Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157. | 13 Oct |
| CVE-2026-100831 | 8.8 high | 0.00% | mozilla, firefox, thunderbird | Use-after-free in the DOM: UI Events & Focus Handling component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157. | 13 Oct |
| CVE-2026-8958 | 8.6 high | 0.00% | mozilla, firefox, thunderbird | Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | 14 Oct |
| CVE-2026-45173 | 8.4 high | 0.00% | paloaltonetworks, idira_identity_browser_extension | Idira Identity Browser Extension (Chrome, Firefox, and Edge builds) versions prior to 26.8.1 exhibit an origin validation flaw within its internal web-page verification routines. If an authenticated user navigates to a specially crafted webpage, this interaction could potentially allow a remote attacker to trigger unauthorized application interaction or execution parameters within the context of that authenticated browser session. CyberArk Security Bulletin: CA26-21 | Mon 26 Oct |
| CVE-2026-109783 | 8.3 high | 0.00% | no CPE yet | Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox ESR 153.5 and Thunderbird 153.5. | Mon 26 Oct |
| CVE-2026-109782 | 8.3 high | 0.00% | no CPE yet | Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox ESR 153.5 and Thunderbird 153.5. | Mon 26 Oct |
| CVE-2026-109757 | 8.3 high | 0.00% | no CPE yet | Sandbox escape due to race condition in the Networking component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5. | 15 Oct |
| CVE-2026-8093 | 8.1 high | 0.00% | mozilla, firefox, thunderbird | Memory safety bugs present in Thunderbird 150.0.1. 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 150.0.2 and Thunderbird 150.0.2. | Mon 26 Oct |
| CVE-2026-8092 | 8.1 high | 0.00% | mozilla, firefox, thunderbird | Memory safety bugs present in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1. 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 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2. | Mon 26 Oct |
| CVE-2026-12326 | 8.1 high | 0.00% | mozilla, firefox, thunderbird | Memory safety bugs present in Firefox 151 and Thunderbird 151. 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 and Thunderbird 152. | Mon 26 Oct |
| CVE-2026-12327 | 8.1 high | 0.00% | mozilla, firefox, thunderbird | Memory safety bugs present in Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151. 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, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | Mon 26 Oct |
| CVE-2026-12328 | 8.1 high | 0.00% | mozilla, firefox, thunderbird | Memory safety bugs present in Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151. 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, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. | Mon 26 Oct |
| CVE-2026-12290 | 8.1 high | 0.00% | mozilla, firefox, thunderbird | Memory safety bug fixed in Thunderbird 152. 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-2026-12292 | 8.1 high | 0.00% | mozilla, firefox, thunderbird | Incorrect boundary conditions in the Web Audio component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | Mon 26 Oct |
| CVE-2025-11713 | 8.1 high | 0.00% | mozilla, firefox, thunderbird | Insufficient escaping in the “Copy as cURL” feature could have been used to trick a user into executing unexpected code on Windows. This did not affect the application when running on other operating systems. This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4. | Fri 23 Oct |
| CVE-2025-13017 | 8.1 high | 0.00% | mozilla, firefox | Same-origin policy bypass in the DOM: Notifications component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5. | Fri 23 Oct |
| CVE-2025-13018 | 8.1 high | 0.00% | mozilla, firefox | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5. | Fri 23 Oct |
| CVE-2025-13019 | 8.1 high | 0.00% | mozilla, firefox | Same-origin policy bypass in the DOM: Workers component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5. | Fri 23 Oct |
| CVE-2026-100798 | 8.1 high | 0.00% | mozilla, firefox, thunderbird | Cryptography misuse in Storage: Quota Manager component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157. | 19 Oct |
| CVE-2026-100803 | 8.1 high | 0.00% | mozilla, firefox, thunderbird | Same-origin policy bypass in the WebExtensions 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. | 19 Oct |
| CVE-2026-109766 | 8.1 high | 0.00% | no CPE yet | Mitigation bypass in the Enterprise Policies component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5. | 19 Oct |
| CVE-2026-109760 | 8.1 high | 0.00% | no CPE yet | Mitigation bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5. | 19 Oct |
| CVE-2026-109759 | 8.1 high | 0.00% | no CPE yet | Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5. | 19 Oct |
| CVE-2026-109754 | 8.1 high | 0.00% | no CPE yet | Incorrect boundary conditions in the DOM: Editor component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5. | 19 Oct |
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EPSS scores: 2026-10-28. 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.