CVE-2017-9821 的 EPSS 分數歷史，展示風險變化與利用機率趨勢，支援漏洞優先級與安全分析。
| # | 日期 | 舊 EPSS 分數 | 新 EPSS 分數 | 變化（新 − 舊） |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.55% | 1.43% | +0.89% |
| 2 | 2026-03-10 | 0.58% | 0.55% | -0.03% |
| 3 | 2025-03-30 | 1.02% | 0.58% | -0.45% |
| 4 | 2025-03-29 | 0.58% | 1.02% | +0.45% |
| 5 | 2025-03-17 | 0.34% | 0.58% | +0.24% |
| 6 | 2024-12-17 | 0.22% | 0.34% | +0.12% |
| 7 | 2023-07-16 | 0.31% | 0.22% | -0.09% |
| 8 | 2023-03-07 | 0.89% | 0.31% | -0.58% |
| 9 | 2022-02-04 | 0.42% | 0.89% | +0.47% |
| 10 | 2021-04-14 | — | 0.42% | — |