CVE-2012-4991 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 | 4.36% | 4.55% | +0.19% |
| 2 | 2025-09-05 | 4.14% | 4.36% | +0.22% |
| 3 | 2025-03-30 | 4.05% | 4.14% | +0.09% |
| 4 | 2025-03-29 | 4.14% | 4.05% | -0.09% |
| 5 | 2025-03-17 | 0.23% | 4.14% | +3.91% |
| 6 | 2024-09-17 | 0.56% | 0.23% | -0.32% |
| 7 | 2024-08-05 | 0.26% | 0.56% | +0.30% |
| 8 | 2024-04-25 | 0.22% | 0.26% | +0.04% |
| 9 | 2024-02-08 | 0.52% | 0.22% | -0.30% |
| 10 | 2024-01-07 | 0.60% | 0.52% | -0.07% |
| 11 | 2023-07-01 | 0.67% | 0.60% | -0.08% |
| 12 | 2023-03-07 | 4.19% | 0.67% | -3.51% |
| 13 | 2023-02-27 | 4.79% | 4.19% | -0.60% |
| 14 | 2022-11-26 | 5.81% | 4.79% | -1.02% |
| 15 | 2022-08-24 | 6.22% | 5.81% | -0.42% |
| 16 | 2022-05-17 | 6.77% | 6.22% | -0.55% |
| 17 | 2022-02-04 | — | 6.77% | — |