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。
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| CVE | 説明 | CVSS 最大値 | EPSS（%） | 公開 | 更新 |
|---|---|---|---|---|---|
| CVE-2026-6783 | Incorrect boundary conditions, integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. | 5.3 | 0.23% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6782 | Information disclosure in the IP Protection component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. | 7.5 | 0.25% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6781 | Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. | 7.5 | 0.29% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6780 | Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. | 7.5 | 0.29% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6779 | Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. | 5.3 | 0.21% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6778 | Invalid pointer in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. | 5.3 | 0.26% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6777 | Other issue in the Networking: DNS component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. | 5.3 | 0.16% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6776 | Incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 7.8 | 0.11% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6775 | Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. | 5.3 | 0.21% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6774 | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. | 5.4 | 0.15% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6773 | Denial-of-service due to integer overflow in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. | 7.5 | 0.32% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6772 | Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 7.5 | 0.27% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6771 | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 9.8 | 0.31% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6770 | Other issue in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 6.5 | 4.94% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6769 | Privilege escalation in the Debugger component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 8.8 | 0.23% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6768 | Mitigation bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. | 9.8 | 0.29% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6767 | Other issue in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 5.3 | 0.23% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6766 | Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 7.5 | 0.26% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6765 | Information disclosure in the Form Autofill component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 5.3 | 0.21% | 2026-04-21 | 2026-06-17 |
| CVE-2026-6764 | Incorrect boundary conditions in the DOM: Device Interfaces component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | 6.5 | 0.23% | 2026-04-21 | 2026-06-17 |