EPSS score history for CVE-2021-4459, 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 | 0.09% | 0.62% | +0.53% |
| 2 | 2026-01-18 | 0.18% | 0.09% | -0.09% |
| 3 | 2025-11-21 | 0.07% | 0.18% | +0.11% |
| 4 | 2025-11-18 | 0.16% | 0.07% | -0.09% |
| 5 | 2025-09-28 | 0.14% | 0.16% | +0.02% |
| 6 | 2025-09-02 | 0.17% | 0.14% | -0.03% |
| 7 | 2025-08-27 | — | 0.17% | — |