EPSS score history for CVE-2009-4491, 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 | 2026-06-17 | 13.36% | 13.47% | +0.11% |
| 2 | 2026-06-15 | 2.71% | 13.36% | +10.65% |
| 3 | 2025-12-28 | 4.02% | 2.71% | -1.30% |
| 4 | 2025-12-27 | 2.71% | 4.02% | +1.30% |
| 5 | 2025-10-28 | 4.02% | 2.71% | -1.30% |
| 6 | 2025-10-27 | 2.71% | 4.02% | +1.30% |
| 7 | 2025-10-01 | 4.02% | 2.71% | -1.30% |
| 8 | 2025-07-30 | 2.71% | 4.02% | +1.30% |
| 9 | 2025-07-17 | 3.64% | 2.71% | -0.93% |
| 10 | 2025-05-04 | 3.75% | 3.64% | -0.11% |
| 11 | 2025-03-30 | 20.66% | 3.75% | -16.91% |
| 12 | 2025-03-29 | 3.75% | 20.66% | +16.91% |
| 13 | 2025-03-17 | 0.30% | 3.75% | +3.45% |
| 14 | 2024-12-17 | 0.48% | 0.30% | -0.18% |
| 15 | 2024-07-13 | 2.18% | 0.48% | -1.70% |
| 16 | 2024-06-01 | 3.06% | 2.18% | -0.88% |
| 17 | 2023-12-02 | 3.19% | 3.06% | -0.13% |
| 18 | 2023-11-29 | 0.24% | 3.19% | +2.95% |
| 19 | 2023-11-28 | 0.30% | 0.24% | -0.06% |
| 20 | 2023-03-07 | 4.19% | 0.30% | -3.88% |
| 21 | 2022-02-04 | — | 4.19% | — |