NVD や CVE、ほか複数の脅威フィードを束ね、RCE など高リスクな事象を深く追える一覧です。CVSS と EPSS を組み合わせ、Exploit 参照や PoC の有無から悪用しやすさを追跡します。ベンダー修正や緩和策の文脈とあわせて優先度を決め、対応サイクルを短く保ちつつ重要資産を守る支援をします。
Assigner（CNA／発行元）：[email protected] この条件を外す
| CVE | 説明 | CVSS 最大値 | EPSS（%） | 公開 | 更新 |
|---|---|---|---|---|---|
| CVE-2026-6763 | Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 6.5 | 0.19% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6762 | Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 6.3 | 0.16% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6761 | Privilege escalation in the Networking component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 8.8 | 0.22% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6760 | Mitigation bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. | 9.8 | 0.28% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6759 | Use-after-free in the Widget: Cocoa component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 7.5 | 0.36% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6758 | Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. | 7.5 | 0.35% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6757 | Invalid pointer in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 6.3 | 0.20% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6756 | Mitigation bypass in Firefox for Android. This vulnerability was fixed in Firefox 150. | 7.5 | 0.24% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6755 | Mitigation bypass in the DOM: postMessage component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. | 6.5 | 0.19% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6754 | Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 7.5 | 0.38% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6753 | Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 7.3 | 0.26% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6752 | Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 7.3 | 0.27% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6751 | Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 7.3 | 0.26% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6750 | Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 8.8 | 0.39% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6749 | Information disclosure due to uninitialized memory in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 7.5 | 0.34% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6748 | Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 9.8 | 0.39% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6747 | Use-after-free in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 7.5 | 0.38% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6746 | Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 7.5 | 0.48% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6654 | Double-Free / Use-After-Free (UAF) in the `IntoIter::drop` and `ThinVec::clear` functions in the thin_vec crate. A panic in `ptr::drop_in_place` skips setting the length to zero. | 5.1 | 0.14% | 2026-04-20 | 2026-06-17 |
| CVE-2026-5735 | 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. | 9.8 | 0.31% | 2026-04-07 | 2026-06-17 |