CVE-2021-22017 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 | 2026-07-03 | 46.72% | 47.64% | +0.93% |
| 2 | 2026-06-15 | 74.83% | 46.72% | -28.12% |
| 3 | 2026-04-06 | 79.46% | 74.83% | -4.63% |
| 4 | 2026-03-04 | 77.17% | 79.46% | +2.29% |
| 5 | 2026-03-03 | 74.08% | 77.17% | +3.09% |
| 6 | 2026-03-01 | 74.83% | 74.08% | -0.75% |
| 7 | 2026-02-26 | 76.73% | 74.83% | -1.89% |
| 8 | 2026-02-24 | 74.83% | 76.73% | +1.89% |
| 9 | 2026-02-18 | 76.28% | 74.83% | -1.45% |
| 10 | 2026-02-11 | 79.38% | 76.28% | -3.10% |
| 11 | 2026-02-05 | 75.71% | 79.38% | +3.67% |
| 12 | 2026-02-04 | 76.88% | 75.71% | -1.17% |
| 13 | 2026-02-01 | 75.71% | 76.88% | +1.17% |
| 14 | 2026-01-04 | 76.88% | 75.71% | -1.17% |
| 15 | 2026-01-01 | 75.71% | 76.88% | +1.17% |
| 16 | 2025-12-27 | 75.51% | 75.71% | +0.20% |
| 17 | 2025-12-04 | 77.36% | 75.51% | -1.85% |
| 18 | 2025-12-01 | 75.51% | 77.36% | +1.85% |
| 19 | 2025-11-21 | 85.86% | 75.51% | -10.35% |
| 20 | 2025-11-18 | 75.51% | 85.86% | +10.35% |
| 21 | 2025-11-04 | 77.36% | 75.51% | -1.85% |
| 22 | 2025-11-01 | 75.51% | 77.36% | +1.85% |
| 23 | 2025-10-31 | 80.76% | 75.51% | -5.25% |
| 24 | 2025-10-15 | 79.16% | 80.76% | +1.60% |
| 25 | 2025-10-04 | 80.69% | 79.16% | -1.53% |
| 26 | 2025-10-01 | 79.16% | 80.69% | +1.53% |
| 27 | 2025-09-06 | 80.69% | 79.16% | -1.53% |
| 28 | 2025-09-01 | 79.16% | 80.69% | +1.53% |
| 29 | 2025-08-04 | 80.69% | 79.16% | -1.53% |
| 30 | 2025-08-01 | 79.16% | 80.69% | +1.53% |
| 31 | 2025-07-04 | 80.69% | 79.16% | -1.53% |
| 32 | 2025-07-01 | 79.16% | 80.69% | +1.53% |
| 33 | 2025-06-04 | 80.69% | 79.16% | -1.53% |
| 34 | 2025-06-01 | 82.68% | 80.69% | -1.98% |
| 35 | 2025-05-08 | 79.90% | 82.68% | +2.78% |
| 36 | 2025-05-04 | 80.44% | 79.90% | -0.54% |
| 37 | 2025-05-01 | 79.48% | 80.44% | +0.96% |
| 38 | 2025-04-22 | 81.01% | 79.48% | -1.53% |
| 39 | 2025-04-20 | 81.88% | 81.01% | -0.87% |
| 40 | 2025-04-19 | 81.01% | 81.88% | +0.87% |
| 41 | 2025-04-16 | 77.69% | 81.01% | +3.32% |
| 42 | 2025-04-13 | 76.57% | 77.69% | +1.13% |
| 43 | 2025-03-30 | 85.67% | 76.57% | -9.11% |
| 44 | 2025-03-29 | 76.57% | 85.67% | +9.11% |
| 45 | 2025-03-24 | 84.68% | 76.57% | -8.11% |
| 46 | 2025-03-23 | 76.57% | 84.68% | +8.11% |
| 47 | 2025-03-22 | 77.69% | 76.57% | -1.13% |
| 48 | 2025-03-21 | 76.57% | 77.69% | +1.13% |
| 49 | 2025-03-20 | 77.69% | 76.57% | -1.13% |
| 50 | 2025-03-19 | 79.49% | 77.69% | -1.80% |
| 51 | 2025-03-17 | 6.21% | 79.49% | +73.28% |
| 52 | 2024-07-04 | 8.49% | 6.21% | -2.29% |
| 53 | 2024-06-08 | 11.66% | 8.49% | -3.17% |
| 54 | 2024-04-29 | 15.39% | 11.66% | -3.73% |
| 55 | 2024-02-23 | 13.49% | 15.39% | +1.90% |
| 56 | 2023-11-17 | 16.13% | 13.49% | -2.64% |
| 57 | 2023-08-23 | 19.60% | 16.13% | -3.48% |
| 58 | 2023-08-10 | 24.34% | 19.60% | -4.73% |
| 59 | 2023-07-13 | 29.93% | 24.34% | -5.59% |
| 60 | 2023-05-15 | 37.12% | 29.93% | -7.18% |
| 61 | 2023-04-16 | 43.82% | 37.12% | -6.71% |
| 62 | 2023-03-07 | 0.89% | 43.82% | +42.94% |
| 63 | 2022-04-01 | 4.50% | 0.89% | -3.61% |
| 64 | 2022-02-04 | 1.84% | 4.50% | +2.66% |
| 65 | 2022-01-06 | 0.42% | 1.84% | +1.42% |
| 66 | 2021-09-24 | — | 0.42% | — |