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-2026-12312 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | 該当なし | 該当なし | 2026-06-16 | 2026-06-16 |
| CVE-2026-12311 | Information disclosure, 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. | 該当なし | 該当なし | 2026-06-16 | 2026-06-16 |
| CVE-2026-12310 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | 該当なし | 該当なし | 2026-06-16 | 2026-06-16 |
| CVE-2026-12309 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | 該当なし | 該当なし | 2026-06-16 | 2026-06-16 |
| CVE-2026-12308 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | 該当なし | 該当なし | 2026-06-16 | 2026-06-16 |
| CVE-2026-12307 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | 該当なし | 該当なし | 2026-06-16 | 2026-06-16 |
| CVE-2026-12306 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | 該当なし | 該当なし | 2026-06-16 | 2026-06-16 |
| CVE-2026-12305 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | 該当なし | 該当なし | 2026-06-16 | 2026-06-16 |
| CVE-2026-12304 | 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. | 該当なし | 該当なし | 2026-06-16 | 2026-06-16 |
| CVE-2026-12303 | Information disclosure due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152. | 4.3 | 該当なし | 2026-06-16 | 2026-06-16 |
| CVE-2026-12302 | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. | 該当なし | 該当なし | 2026-06-16 | 2026-06-16 |
| CVE-2026-12301 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152 and Thunderbird 152. | 該当なし | 該当なし | 2026-06-16 | 2026-06-16 |
| CVE-2026-12300 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152 and Thunderbird 152. | 該当なし | 該当なし | 2026-06-16 | 2026-06-16 |
| CVE-2026-12299 | JIT miscompilation in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. | 5.4 | 該当なし | 2026-06-16 | 2026-06-16 |
| CVE-2026-12298 | Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | 5.4 | 該当なし | 2026-06-16 | 2026-06-16 |
| CVE-2026-12297 | 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. | 該当なし | 該当なし | 2026-06-16 | 2026-06-16 |
| CVE-2026-12296 | 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. | 該当なし | 該当なし | 2026-06-16 | 2026-06-16 |
| CVE-2026-12295 | Sandbox escape in the DOM: Navigation component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. | 該当なし | 該当なし | 2026-06-16 | 2026-06-16 |
| CVE-2026-12294 | 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. | 該当なし | 該当なし | 2026-06-16 | 2026-06-16 |
| CVE-2026-12293 | Use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152. | 該当なし | 該当なし | 2026-06-16 | 2026-06-16 |