CVE-2011-1991 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 | 40.46% | 12.12% | -28.34% |
| 2 | 2025-05-16 | 50.03% | 40.46% | -9.57% |
| 3 | 2025-03-30 | 59.01% | 50.03% | -8.98% |
| 4 | 2025-03-29 | 50.03% | 59.01% | +8.98% |
| 5 | 2025-03-17 | 95.92% | 50.03% | -45.89% |
| 6 | 2024-12-17 | 96.25% | 95.92% | -0.33% |
| 7 | 2024-11-15 | 96.45% | 96.25% | -0.20% |
| 8 | 2024-10-01 | 96.62% | 96.45% | -0.16% |
| 9 | 2024-08-13 | 96.83% | 96.62% | -0.22% |
| 10 | 2024-05-05 | 97.06% | 96.83% | -0.23% |
| 11 | 2024-03-15 | 97.02% | 97.06% | +0.03% |
| 12 | 2024-01-22 | 97.33% | 97.02% | -0.30% |
| 13 | 2023-11-28 | 96.97% | 97.33% | +0.36% |
| 14 | 2023-10-04 | 96.79% | 96.97% | +0.18% |
| 15 | 2023-08-11 | 96.95% | 96.79% | -0.17% |
| 16 | 2023-06-14 | 97.11% | 96.95% | -0.16% |
| 17 | 2023-04-15 | 97.20% | 97.11% | -0.09% |
| 18 | 2023-03-07 | 20.04% | 97.20% | +77.16% |
| 19 | 2022-02-04 | — | 20.04% | — |