CVE-2018-20821 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 | 0.72% | 2.22% | +1.49% |
| 2 | 2026-04-06 | 1.05% | 0.72% | -0.33% |
| 3 | 2026-04-01 | 0.32% | 1.05% | +0.73% |
| 4 | 2025-11-21 | 0.47% | 0.32% | -0.14% |
| 5 | 2025-11-18 | 0.32% | 0.47% | +0.14% |
| 6 | 2025-07-25 | 1.08% | 0.32% | -0.75% |
| 7 | 2025-07-20 | 0.83% | 1.08% | +0.25% |
| 8 | 2025-07-19 | 1.08% | 0.83% | -0.25% |
| 9 | 2025-03-30 | 1.75% | 1.08% | -0.68% |
| 10 | 2025-03-29 | 1.08% | 1.75% | +0.68% |
| 11 | 2025-03-19 | 0.97% | 1.08% | +0.11% |
| 12 | 2025-03-17 | 0.28% | 0.97% | +0.69% |
| 13 | 2024-04-16 | 0.24% | 0.28% | +0.04% |
| 14 | 2023-07-08 | 0.28% | 0.24% | -0.04% |
| 15 | 2023-03-07 | 1.04% | 0.28% | -0.76% |
| 16 | 2021-04-14 | — | 1.04% | — |