EPSS score history for CVE-2018-9021, 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 | 10.36% | 19.38% | +9.02% |
| 2 | 2026-04-16 | 13.44% | 10.36% | -3.08% |
| 3 | 2026-03-10 | 16.93% | 13.44% | -3.49% |
| 4 | 2026-01-02 | 17.64% | 16.93% | -0.71% |
| 5 | 2025-11-21 | 23.51% | 17.64% | -5.87% |
| 6 | 2025-11-18 | 17.64% | 23.51% | +5.87% |
| 7 | 2025-04-03 | 17.91% | 17.64% | -0.27% |
| 8 | 2025-03-30 | 48.87% | 17.91% | -30.96% |
| 9 | 2025-03-29 | 17.91% | 48.87% | +30.96% |
| 10 | 2025-03-17 | 0.74% | 17.91% | +17.17% |
| 11 | 2024-12-17 | 0.77% | 0.74% | -0.03% |
| 12 | 2023-11-09 | 1.30% | 0.77% | -0.52% |
| 13 | 2023-07-17 | 1.82% | 1.30% | -0.52% |
| 14 | 2023-07-08 | 2.53% | 1.82% | -0.72% |
| 15 | 2023-06-30 | 6.83% | 2.53% | -4.30% |
| 16 | 2023-06-12 | 6.25% | 6.83% | +0.59% |
| 17 | 2023-05-08 | 4.54% | 6.25% | +1.70% |
| 18 | 2023-03-07 | 1.14% | 4.54% | +3.41% |
| 19 | 2022-02-04 | 7.71% | 1.14% | -6.57% |
| 20 | 2021-04-14 | — | 7.71% | — |