CVE-2021-1221 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 | 0.39% | 1.03% | +0.65% |
| 2 | 2026-03-04 | 0.20% | 0.39% | +0.19% |
| 3 | 2026-03-01 | 0.39% | 0.20% | -0.19% |
| 4 | 2026-02-04 | 0.20% | 0.39% | +0.18% |
| 5 | 2026-02-01 | 0.39% | 0.20% | -0.18% |
| 6 | 2026-01-04 | 0.20% | 0.39% | +0.18% |
| 7 | 2026-01-01 | 0.39% | 0.20% | -0.18% |
| 8 | 2025-12-04 | 0.20% | 0.39% | +0.18% |
| 9 | 2025-12-01 | 0.39% | 0.20% | -0.18% |
| 10 | 2025-11-21 | 0.33% | 0.39% | +0.05% |
| 11 | 2025-11-18 | 0.39% | 0.33% | -0.05% |
| 12 | 2025-11-04 | 0.20% | 0.39% | +0.18% |
| 13 | 2025-11-01 | 0.39% | 0.20% | -0.18% |
| 14 | 2025-10-04 | 0.20% | 0.39% | +0.18% |
| 15 | 2025-10-01 | 0.35% | 0.20% | -0.15% |
| 16 | 2025-09-04 | 0.23% | 0.35% | +0.13% |
| 17 | 2025-09-01 | 0.35% | 0.23% | -0.13% |
| 18 | 2025-08-04 | 0.23% | 0.35% | +0.13% |
| 19 | 2025-08-01 | 0.35% | 0.23% | -0.13% |
| 20 | 2025-07-04 | 0.23% | 0.35% | +0.13% |
| 21 | 2025-07-01 | 0.35% | 0.23% | -0.13% |
| 22 | 2025-06-04 | 0.23% | 0.35% | +0.13% |
| 23 | 2025-06-01 | 0.35% | 0.23% | -0.13% |
| 24 | 2025-05-04 | 0.23% | 0.35% | +0.13% |
| 25 | 2025-05-01 | 0.35% | 0.23% | -0.13% |
| 26 | 2025-04-05 | 0.22% | 0.35% | +0.13% |
| 27 | 2025-03-30 | 0.26% | 0.22% | -0.04% |
| 28 | 2025-03-29 | 0.23% | 0.26% | +0.03% |
| 29 | 2025-03-17 | 0.07% | 0.23% | +0.16% |
| 30 | 2023-03-07 | 1.05% | 0.07% | -0.98% |
| 31 | 2022-04-01 | 2.56% | 1.05% | -1.51% |
| 32 | 2022-02-04 | 2.44% | 2.56% | +0.12% |
| 33 | 2022-01-06 | 0.56% | 2.44% | +1.89% |
| 34 | 2021-04-14 | — | 0.56% | — |