CVE-2021-40439 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 | 0.29% | 3.42% | +3.13% |
| 2 | 2026-04-07 | 0.40% | 0.29% | -0.11% |
| 3 | 2026-01-20 | 0.53% | 0.40% | -0.13% |
| 4 | 2025-12-30 | 0.39% | 0.53% | +0.14% |
| 5 | 2025-12-10 | 0.29% | 0.39% | +0.10% |
| 6 | 2025-11-21 | 1.15% | 0.29% | -0.86% |
| 7 | 2025-11-18 | 0.29% | 1.15% | +0.86% |
| 8 | 2025-09-07 | 0.39% | 0.29% | -0.10% |
| 9 | 2025-09-05 | 0.46% | 0.39% | -0.06% |
| 10 | 2025-04-27 | 1.13% | 0.46% | -0.68% |
| 11 | 2025-03-30 | 1.36% | 1.13% | -0.23% |
| 12 | 2025-03-29 | 1.13% | 1.36% | +0.23% |
| 13 | 2025-03-17 | 0.45% | 1.13% | +0.68% |
| 14 | 2025-02-24 | 0.62% | 0.45% | -0.17% |
| 15 | 2024-12-17 | 0.33% | 0.62% | +0.29% |
| 16 | 2023-10-04 | 0.37% | 0.33% | -0.04% |
| 17 | 2023-09-22 | 0.25% | 0.37% | +0.12% |
| 18 | 2023-03-20 | 0.24% | 0.25% | +0.01% |
| 19 | 2023-03-07 | 1.25% | 0.24% | -1.01% |
| 20 | 2022-04-01 | 5.03% | 1.25% | -3.78% |
| 21 | 2022-02-04 | 15.03% | 5.03% | -10.01% |
| 22 | 2022-01-06 | 3.79% | 15.03% | +11.24% |
| 23 | 2021-10-16 | 1.29% | 3.79% | +2.50% |
| 24 | 2021-10-08 | — | 1.29% | — |