EPSS score history for CVE-2009-4447, 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 | 2.53% | 2.55% | +0.03% |
| 2 | 2025-03-30 | 3.63% | 2.53% | -1.11% |
| 3 | 2025-03-29 | 2.53% | 3.63% | +1.11% |
| 4 | 2025-03-19 | 1.92% | 2.53% | +0.61% |
| 5 | 2025-03-17 | 5.00% | 1.92% | -3.08% |
| 6 | 2024-08-08 | 4.09% | 5.00% | +0.91% |
| 7 | 2024-06-28 | 4.72% | 4.09% | -0.64% |
| 8 | 2024-05-17 | 3.43% | 4.72% | +1.30% |
| 9 | 2023-04-14 | 2.90% | 3.43% | +0.53% |
| 10 | 2023-03-07 | 4.48% | 2.90% | -1.58% |
| 11 | 2022-02-04 | — | 4.48% | — |