CVE-2023-21721 の EPSS スコア履歴で、リスクの推移と悪用確率の変化を示します。優先度付けとセキュリティ分析に利用できます。
| # | 日付 | 旧 EPSS スコア | 新 EPSS スコア | Δ（新 − 旧） |
|---|---|---|---|---|
| 1 | 2026-06-15 | 6.12% | 0.88% | -5.24% |
| 2 | 2026-02-28 | 6.84% | 6.12% | -0.72% |
| 3 | 2026-02-21 | 5.93% | 6.84% | +0.91% |
| 4 | 2026-02-18 | 2.07% | 5.93% | +3.86% |
| 5 | 2026-02-16 | 1.62% | 2.07% | +0.45% |
| 6 | 2025-12-11 | 1.52% | 1.62% | +0.10% |
| 7 | 2025-11-21 | 5.76% | 1.52% | -4.24% |
| 8 | 2025-11-18 | 1.45% | 5.76% | +4.31% |
| 9 | 2025-09-25 | 1.72% | 1.45% | -0.27% |
| 10 | 2025-03-30 | 1.48% | 1.72% | +0.24% |
| 11 | 2025-03-29 | 1.72% | 1.48% | -0.24% |
| 12 | 2025-03-19 | 0.48% | 1.72% | +1.24% |
| 13 | 2025-03-17 | 7.62% | 0.48% | -7.14% |
| 14 | 2024-12-17 | 0.07% | 7.62% | +7.55% |
| 15 | 2023-05-24 | 0.05% | 0.07% | +0.02% |
| 16 | 2023-05-08 | 0.07% | 0.05% | -0.02% |
| 17 | 2023-03-07 | 1.15% | 0.07% | -1.08% |
| 18 | 2023-02-24 | 0.89% | 1.15% | +0.26% |
| 19 | 2023-02-15 | — | 0.89% | — |