CVE-2018-4021 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 | 84.77% | 72.21% | -12.56% |
| 2 | 2025-11-21 | 84.15% | 84.77% | +0.62% |
| 3 | 2025-11-18 | 84.77% | 84.15% | -0.62% |
| 4 | 2025-11-03 | 86.45% | 84.77% | -1.68% |
| 5 | 2025-04-21 | 86.48% | 86.45% | -0.04% |
| 6 | 2025-03-30 | 90.38% | 86.48% | -3.89% |
| 7 | 2025-03-29 | 86.48% | 90.38% | +3.89% |
| 8 | 2025-03-19 | 85.75% | 86.48% | +0.73% |
| 9 | 2025-03-17 | 14.89% | 85.75% | +70.86% |
| 10 | 2024-12-17 | 19.32% | 14.89% | -4.43% |
| 11 | 2024-05-16 | 16.66% | 19.32% | +2.66% |
| 12 | 2024-04-25 | 16.21% | 16.66% | +0.45% |
| 13 | 2024-03-13 | 19.32% | 16.21% | -3.11% |
| 14 | 2023-06-01 | 15.11% | 19.32% | +4.21% |
| 15 | 2023-03-07 | 2.05% | 15.11% | +13.05% |
| 16 | 2022-02-04 | 0.78% | 2.05% | +1.28% |
| 17 | 2021-04-14 | — | 0.78% | — |