CVE-2019-20839 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 | 4.08% | 3.59% | -0.49% |
| 2 | 2025-12-28 | 2.23% | 4.08% | +1.86% |
| 3 | 2025-12-27 | 4.08% | 2.23% | -1.86% |
| 4 | 2025-11-21 | 12.71% | 4.08% | -8.63% |
| 5 | 2025-11-18 | 4.08% | 12.71% | +8.63% |
| 6 | 2025-10-28 | 2.23% | 4.08% | +1.86% |
| 7 | 2025-10-27 | 4.08% | 2.23% | -1.86% |
| 8 | 2025-10-01 | 2.23% | 4.08% | +1.86% |
| 9 | 2025-07-30 | 3.53% | 2.23% | -1.31% |
| 10 | 2025-05-10 | 3.90% | 3.53% | -0.36% |
| 11 | 2025-03-30 | 5.14% | 3.90% | -1.25% |
| 12 | 2025-03-29 | 3.90% | 5.14% | +1.25% |
| 13 | 2025-03-17 | 0.60% | 3.90% | +3.30% |
| 14 | 2024-12-17 | 1.16% | 0.60% | -0.56% |
| 15 | 2024-10-11 | 1.70% | 1.16% | -0.55% |
| 16 | 2024-05-08 | 1.26% | 1.70% | +0.45% |
| 17 | 2023-11-08 | 1.00% | 1.26% | +0.25% |
| 18 | 2023-07-21 | 0.73% | 1.00% | +0.28% |
| 19 | 2023-03-07 | 1.54% | 0.73% | -0.81% |
| 20 | 2022-04-01 | 16.31% | 1.54% | -14.77% |
| 21 | 2022-02-04 | 10.22% | 16.31% | +6.08% |
| 22 | 2022-01-06 | 2.48% | 10.22% | +7.75% |
| 23 | 2021-12-15 | 2.27% | 2.48% | +0.20% |
| 24 | 2021-04-14 | — | 2.27% | — |