CVE-2017-15921 的 EPSS 分数历史，展示风险变化与利用概率趋势，支持漏洞优先级与安全分析。
| # | 日期 | 旧 EPSS 分数 | 新 EPSS 分数 | 变化（新 − 旧） |
|---|---|---|---|---|
| 1 | 2026-06-15 | 9.66% | 7.58% | -2.09% |
| 2 | 2025-03-30 | 11.26% | 9.66% | -1.60% |
| 3 | 2025-03-29 | 9.66% | 11.26% | +1.60% |
| 4 | 2025-03-17 | 0.10% | 9.66% | +9.56% |
| 5 | 2023-05-08 | 0.24% | 0.10% | -0.14% |
| 6 | 2023-03-23 | 0.25% | 0.24% | -0.01% |
| 7 | 2023-03-07 | 0.89% | 0.25% | -0.63% |
| 8 | 2022-02-04 | 2.74% | 0.89% | -1.86% |
| 9 | 2021-04-14 | — | 2.74% | — |