EPSS score history for CVE-2015-4420, 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 | 1.19% | 1.57% | +0.38% |
| 2 | 2026-02-07 | 0.61% | 1.19% | +0.58% |
| 3 | 2025-03-30 | 0.54% | 0.61% | +0.07% |
| 4 | 2025-03-29 | 0.61% | 0.54% | -0.07% |
| 5 | 2025-03-17 | 0.19% | 0.61% | +0.42% |
| 6 | 2023-03-07 | 1.95% | 0.19% | -1.76% |
| 7 | 2022-11-06 | 2.17% | 1.95% | -0.22% |
| 8 | 2022-02-04 | — | 2.17% | — |