EPSS score history for CVE-2018-20556, 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 | 12.46% | 19.24% | +6.78% |
| 2 | 2026-04-05 | 13.99% | 12.46% | -1.53% |
| 3 | 2026-02-16 | 14.45% | 13.99% | -0.45% |
| 4 | 2026-01-01 | 14.68% | 14.45% | -0.23% |
| 5 | 2025-11-29 | 14.06% | 14.68% | +0.62% |
| 6 | 2025-11-21 | 21.83% | 14.06% | -7.77% |
| 7 | 2025-11-18 | 14.06% | 21.83% | +7.77% |
| 8 | 2025-06-22 | 14.68% | 14.06% | -0.62% |
| 9 | 2025-03-30 | 51.54% | 14.68% | -36.87% |
| 10 | 2025-03-29 | 14.68% | 51.54% | +36.87% |
| 11 | 2025-03-24 | 16.96% | 14.68% | -2.29% |
| 12 | 2025-03-23 | 14.68% | 16.96% | +2.29% |
| 13 | 2025-03-17 | 1.07% | 14.68% | +13.60% |
| 14 | 2024-12-17 | 7.99% | 1.07% | -6.92% |
| 15 | 2024-08-08 | 8.10% | 7.99% | -0.11% |
| 16 | 2024-03-29 | 12.77% | 8.10% | -4.67% |
| 17 | 2024-03-11 | 23.46% | 12.77% | -10.69% |
| 18 | 2024-02-25 | 29.85% | 23.46% | -6.40% |
| 19 | 2024-02-07 | 40.95% | 29.85% | -11.09% |
| 20 | 2023-11-13 | 63.85% | 40.95% | -22.90% |
| 21 | 2023-11-01 | 83.83% | 63.85% | -19.98% |
| 22 | 2023-09-29 | 86.76% | 83.83% | -2.93% |
| 23 | 2023-08-29 | 89.08% | 86.76% | -2.32% |
| 24 | 2023-08-14 | 90.89% | 89.08% | -1.81% |
| 25 | 2023-07-12 | 91.53% | 90.89% | -0.64% |
| 26 | 2023-05-13 | 91.69% | 91.53% | -0.16% |
| 27 | 2023-03-07 | 1.56% | 91.69% | +90.13% |
| 28 | 2022-02-04 | 5.60% | 1.56% | -4.04% |
| 29 | 2021-04-14 | — | 5.60% | — |