EPSS score history for CVE-2020-9991, 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 | 2.14% | 2.79% | +0.65% |
| 2 | 2025-11-21 | 2.28% | 2.14% | -0.14% |
| 3 | 2025-11-18 | 2.15% | 2.28% | +0.13% |
| 4 | 2025-05-28 | 2.34% | 2.15% | -0.19% |
| 5 | 2025-03-17 | 1.16% | 2.34% | +1.18% |
| 6 | 2024-11-14 | 1.02% | 1.16% | +0.14% |
| 7 | 2024-10-29 | 1.06% | 1.02% | -0.04% |
| 8 | 2024-10-12 | 1.20% | 1.06% | -0.14% |
| 9 | 2024-09-27 | 1.01% | 1.20% | +0.19% |
| 10 | 2024-03-11 | 0.71% | 1.01% | +0.30% |
| 11 | 2023-11-08 | 0.58% | 0.71% | +0.13% |
| 12 | 2023-08-24 | 0.48% | 0.58% | +0.10% |
| 13 | 2023-07-15 | 0.42% | 0.48% | +0.06% |
| 14 | 2023-06-19 | 0.48% | 0.42% | -0.06% |
| 15 | 2023-03-07 | 1.41% | 0.48% | -0.93% |
| 16 | 2022-04-01 | 27.21% | 1.41% | -25.80% |
| 17 | 2022-02-04 | 1.92% | 27.21% | +25.29% |
| 18 | 2022-01-06 | 0.43% | 1.92% | +1.48% |
| 19 | 2021-04-14 | — | 0.43% | — |