CVE-2007-4921 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 | 84.59% | 52.77% | -31.82% |
| 2 | 2026-05-06 | 84.30% | 84.59% | +0.29% |
| 3 | 2026-01-23 | 83.05% | 84.30% | +1.25% |
| 4 | 2025-11-15 | 26.49% | 83.05% | +56.56% |
| 5 | 2025-10-12 | 32.30% | 26.49% | -5.81% |
| 6 | 2025-03-30 | 39.88% | 32.30% | -7.57% |
| 7 | 2025-03-29 | 32.30% | 39.88% | +7.57% |
| 8 | 2025-03-17 | 4.49% | 32.30% | +27.82% |
| 9 | 2024-07-21 | 7.59% | 4.49% | -3.10% |
| 10 | 2024-06-13 | 7.32% | 7.59% | +0.27% |
| 11 | 2024-02-19 | 7.12% | 7.32% | +0.20% |
| 12 | 2023-07-14 | 7.69% | 7.12% | -0.57% |
| 13 | 2023-05-03 | 11.93% | 7.69% | -4.24% |
| 14 | 2023-03-28 | 15.22% | 11.93% | -3.28% |
| 15 | 2023-03-07 | 4.48% | 15.22% | +10.73% |
| 16 | 2022-02-04 | — | 4.48% | — |