EPSS score history for CVE-2021-39255, 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 | 0.08% | 0.40% | +0.31% |
| 2 | 2026-01-12 | 0.03% | 0.08% | +0.06% |
| 3 | 2025-12-03 | 0.06% | 0.03% | -0.04% |
| 4 | 2025-06-21 | 0.04% | 0.06% | +0.02% |
| 5 | 2025-03-30 | 0.07% | 0.04% | -0.03% |
| 6 | 2025-03-29 | 0.04% | 0.07% | +0.03% |
| 7 | 2023-03-07 | 0.95% | 0.04% | -0.90% |
| 8 | 2022-04-01 | 1.67% | 0.95% | -0.72% |
| 9 | 2022-02-04 | 4.50% | 1.67% | -2.83% |
| 10 | 2022-01-06 | 1.04% | 4.50% | +3.46% |
| 11 | 2021-11-17 | 0.83% | 1.04% | +0.21% |
| 12 | 2021-09-10 | 0.62% | 0.83% | +0.21% |
| 13 | 2021-09-08 | — | 0.62% | — |