EPSS score history for CVE-2009-4427, showing historical risk changes and exploitation probability trends for vulnerability prioritization and security analysis.
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 18.92% | 10.00% | -8.92% |
| 2 | 2025-07-18 | 14.90% | 18.92% | +4.02% |
| 3 | 2025-05-21 | 12.16% | 14.90% | +2.73% |
| 4 | 2025-03-30 | 15.29% | 12.16% | -3.13% |
| 5 | 2025-03-29 | 12.16% | 15.29% | +3.13% |
| 6 | 2025-03-19 | 11.63% | 12.16% | +0.54% |
| 7 | 2025-03-17 | 1.15% | 11.63% | +10.48% |
| 8 | 2024-12-17 | 1.34% | 1.15% | -0.20% |
| 9 | 2024-08-07 | 1.09% | 1.34% | +0.26% |
| 10 | 2024-06-27 | 0.91% | 1.09% | +0.18% |
| 11 | 2024-05-16 | 1.10% | 0.91% | -0.19% |
| 12 | 2023-03-07 | 4.48% | 1.10% | -3.39% |
| 13 | 2022-02-04 | — | 4.48% | — |