EPSS score history for CVE-2009-4509, 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 | 2.84% | 4.53% | +1.69% |
| 2 | 2025-09-04 | 3.63% | 2.84% | -0.79% |
| 3 | 2025-03-30 | 4.30% | 3.63% | -0.67% |
| 4 | 2025-03-29 | 3.63% | 4.30% | +0.67% |
| 5 | 2025-03-19 | 4.56% | 3.63% | -0.93% |
| 6 | 2025-03-17 | 2.62% | 4.56% | +1.93% |
| 7 | 2024-04-15 | 3.14% | 2.62% | -0.51% |
| 8 | 2023-12-05 | 3.72% | 3.14% | -0.58% |
| 9 | 2023-11-08 | 5.14% | 3.72% | -1.42% |
| 10 | 2023-09-09 | 5.93% | 5.14% | -0.79% |
| 11 | 2023-03-07 | 6.52% | 5.93% | -0.59% |
| 12 | 2022-02-04 | — | 6.52% | — |