EPSS score history for CVE-2009-4309, 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 | 30.58% | 24.11% | -6.47% |
| 2 | 2025-12-28 | 28.19% | 30.58% | +2.39% |
| 3 | 2025-12-27 | 30.58% | 28.19% | -2.39% |
| 4 | 2025-10-28 | 27.80% | 30.58% | +2.79% |
| 5 | 2025-10-27 | 30.17% | 27.80% | -2.37% |
| 6 | 2025-10-01 | 27.80% | 30.17% | +2.37% |
| 7 | 2025-03-30 | 29.65% | 27.80% | -1.86% |
| 8 | 2025-03-29 | 27.80% | 29.65% | +1.86% |
| 9 | 2025-03-17 | 17.75% | 27.80% | +10.04% |
| 10 | 2024-11-19 | 16.88% | 17.75% | +0.87% |
| 11 | 2024-10-12 | 18.34% | 16.88% | -1.46% |
| 12 | 2024-06-12 | 17.21% | 18.34% | +1.13% |
| 13 | 2024-05-01 | 9.56% | 17.21% | +7.65% |
| 14 | 2024-03-17 | 8.88% | 9.56% | +0.68% |
| 15 | 2023-03-07 | 55.10% | 8.88% | -46.21% |
| 16 | 2023-01-10 | 57.79% | 55.10% | -2.69% |
| 17 | 2022-11-06 | 60.01% | 57.79% | -2.22% |
| 18 | 2022-09-02 | 67.16% | 60.01% | -7.15% |
| 19 | 2022-07-18 | 9.92% | 67.16% | +57.25% |
| 20 | 2022-07-17 | 67.16% | 9.92% | -57.25% |
| 21 | 2022-02-04 | — | 67.16% | — |