EPSS score history for CVE-2009-4156, 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 | 1.79% | 2.10% | +0.31% |
| 2 | 2026-04-15 | 0.69% | 1.79% | +1.10% |
| 3 | 2026-04-14 | 0.61% | 0.69% | +0.08% |
| 4 | 2025-11-18 | 0.82% | 0.61% | -0.22% |
| 5 | 2025-03-30 | 1.02% | 0.82% | -0.20% |
| 6 | 2025-03-29 | 0.82% | 1.02% | +0.20% |
| 7 | 2025-03-17 | 1.04% | 0.82% | -0.21% |
| 8 | 2024-07-12 | 0.69% | 1.04% | +0.35% |
| 9 | 2024-06-01 | 0.53% | 0.69% | +0.16% |
| 10 | 2023-03-07 | 4.19% | 0.53% | -3.65% |
| 11 | 2022-02-04 | — | 4.19% | — |