EPSS score history for CVE-2009-1978, 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 | 2026-05-16 | 83.28% | 84.06% | +0.78% |
| 2 | 2026-03-29 | 85.26% | 83.28% | -1.98% |
| 3 | 2025-09-30 | 85.08% | 85.26% | +0.18% |
| 4 | 2025-07-30 | 85.72% | 85.08% | -0.63% |
| 5 | 2025-06-01 | 84.86% | 85.72% | +0.86% |
| 6 | 2025-04-28 | 85.08% | 84.86% | -0.22% |
| 7 | 2025-04-15 | 85.38% | 85.08% | -0.30% |
| 8 | 2025-04-10 | 84.86% | 85.38% | +0.52% |
| 9 | 2025-04-08 | 84.04% | 84.86% | +0.82% |
| 10 | 2025-03-30 | 85.00% | 84.04% | -0.96% |
| 11 | 2025-03-29 | 84.04% | 85.00% | +0.96% |
| 12 | 2025-03-17 | 82.19% | 84.04% | +1.85% |
| 13 | 2024-02-22 | 83.67% | 82.19% | -1.48% |
| 14 | 2023-09-01 | 86.60% | 83.67% | -2.94% |
| 15 | 2023-06-02 | 84.97% | 86.60% | +1.64% |
| 16 | 2023-03-07 | 6.74% | 84.97% | +78.23% |
| 17 | 2022-02-04 | — | 6.74% | — |