CVE-2009-1923 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 | 37.12% | 24.66% | -12.46% |
| 2 | 2026-02-28 | 41.97% | 37.12% | -4.85% |
| 3 | 2026-01-01 | 44.48% | 41.97% | -2.51% |
| 4 | 2025-10-23 | 49.00% | 44.48% | -4.52% |
| 5 | 2025-10-01 | 44.48% | 49.00% | +4.52% |
| 6 | 2025-04-30 | 63.17% | 44.48% | -18.68% |
| 7 | 2025-03-30 | 71.25% | 63.17% | -8.09% |
| 8 | 2025-03-29 | 63.17% | 71.25% | +8.09% |
| 9 | 2025-03-17 | 78.98% | 63.17% | -15.81% |
| 10 | 2024-12-17 | 75.74% | 78.98% | +3.24% |
| 11 | 2024-12-09 | 74.09% | 75.74% | +1.64% |
| 12 | 2024-11-05 | 74.54% | 74.09% | -0.44% |
| 13 | 2024-10-01 | 82.73% | 74.54% | -8.19% |
| 14 | 2024-08-25 | 85.89% | 82.73% | -3.16% |
| 15 | 2024-03-22 | 85.28% | 85.89% | +0.61% |
| 16 | 2024-02-10 | 88.97% | 85.28% | -3.69% |
| 17 | 2023-12-30 | 92.86% | 88.97% | -3.89% |
| 18 | 2023-09-30 | 93.85% | 92.86% | -0.98% |
| 19 | 2023-07-01 | 93.95% | 93.85% | -0.10% |
| 20 | 2023-05-18 | 95.28% | 93.95% | -1.33% |
| 21 | 2023-04-05 | 95.51% | 95.28% | -0.22% |
| 22 | 2023-03-07 | 23.73% | 95.51% | +71.78% |
| 23 | 2023-01-13 | 26.00% | 23.73% | -2.27% |
| 24 | 2022-11-12 | 30.33% | 26.00% | -4.33% |
| 25 | 2022-09-10 | 32.70% | 30.33% | -2.37% |
| 26 | 2022-07-18 | 6.31% | 32.70% | +26.39% |
| 27 | 2022-07-17 | 32.70% | 6.31% | -26.39% |
| 28 | 2022-07-07 | 36.85% | 32.70% | -4.15% |
| 29 | 2022-02-04 | — | 36.85% | — |