EPSS score history for CVE-2021-28656, 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 | 1.76% | 0.48% | -1.28% |
| 2 | 2026-01-21 | 1.27% | 1.76% | +0.49% |
| 3 | 2025-11-21 | 1.83% | 1.27% | -0.56% |
| 4 | 2025-11-18 | 1.27% | 1.83% | +0.56% |
| 5 | 2025-08-29 | 0.94% | 1.27% | +0.33% |
| 6 | 2025-06-02 | 1.22% | 0.94% | -0.28% |
| 7 | 2025-05-18 | 0.59% | 1.22% | +0.63% |
| 8 | 2025-05-06 | 0.05% | 0.59% | +0.53% |
| 9 | 2025-03-30 | 0.04% | 0.05% | +0.01% |
| 10 | 2025-03-29 | 0.05% | 0.04% | -0.01% |
| 11 | 2025-03-17 | 0.04% | 0.05% | +0.01% |
| 12 | 2024-04-10 | — | 0.04% | — |