EPSS score history for CVE-2009-1977, 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 | 83.93% | 72.64% | -11.29% |
| 2 | 2026-03-29 | 85.14% | 83.93% | -1.21% |
| 3 | 2025-03-30 | 86.69% | 85.14% | -1.55% |
| 4 | 2025-03-29 | 85.14% | 86.69% | +1.55% |
| 5 | 2025-03-19 | 83.67% | 85.14% | +1.46% |
| 6 | 2025-03-17 | 82.19% | 83.67% | +1.49% |
| 7 | 2024-11-10 | 85.46% | 82.19% | -3.27% |
| 8 | 2024-07-27 | 84.82% | 85.46% | +0.64% |
| 9 | 2024-06-20 | 83.07% | 84.82% | +1.75% |
| 10 | 2024-05-13 | 85.46% | 83.07% | -2.39% |
| 11 | 2023-09-01 | 83.85% | 85.46% | +1.61% |
| 12 | 2023-03-07 | 1.41% | 83.85% | +82.44% |
| 13 | 2022-02-04 | — | 1.41% | — |