CVE-2017-4921 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 | 0.83% | 1.67% | +0.84% |
| 2 | 2025-03-30 | 1.54% | 0.83% | -0.70% |
| 3 | 2025-03-29 | 0.83% | 1.54% | +0.70% |
| 4 | 2025-03-19 | 0.73% | 0.83% | +0.11% |
| 5 | 2025-03-17 | 0.23% | 0.73% | +0.50% |
| 6 | 2023-05-17 | 0.27% | 0.23% | -0.04% |
| 7 | 2023-03-07 | 0.89% | 0.27% | -0.62% |
| 8 | 2022-02-04 | 0.83% | 0.89% | +0.06% |
| 9 | 2021-04-14 | — | 0.83% | — |