CVE-2017-9521 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 | 2.17% | 3.26% | +1.09% |
| 2 | 2026-04-03 | 2.32% | 2.17% | -0.15% |
| 3 | 2025-03-30 | 9.43% | 2.32% | -7.11% |
| 4 | 2025-03-29 | 2.32% | 9.43% | +7.11% |
| 5 | 2025-03-18 | 3.12% | 2.32% | -0.80% |
| 6 | 2025-03-17 | 2.84% | 3.12% | +0.28% |
| 7 | 2024-12-17 | 1.21% | 2.84% | +1.63% |
| 8 | 2024-03-03 | 0.98% | 1.21% | +0.23% |
| 9 | 2023-08-15 | 0.91% | 0.98% | +0.07% |
| 10 | 2023-03-07 | 1.70% | 0.91% | -0.79% |
| 11 | 2022-08-29 | 1.38% | 1.70% | +0.32% |
| 12 | 2022-06-25 | 1.27% | 1.38% | +0.11% |
| 13 | 2022-04-26 | 1.16% | 1.27% | +0.11% |
| 14 | 2022-02-04 | 0.92% | 1.16% | +0.24% |
| 15 | 2021-04-14 | — | 0.92% | — |