EPSS score history for CVE-2021-39510, 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 | 2026-06-17 | 9.09% | 8.62% | -0.47% |
| 2 | 2026-06-15 | 6.50% | 9.09% | +2.59% |
| 3 | 2025-11-21 | 18.03% | 6.50% | -11.53% |
| 4 | 2025-11-18 | 6.50% | 18.03% | +11.53% |
| 5 | 2025-09-04 | 8.79% | 6.50% | -2.29% |
| 6 | 2025-06-09 | 28.21% | 8.79% | -19.41% |
| 7 | 2025-03-30 | 37.36% | 28.21% | -9.15% |
| 8 | 2025-03-29 | 28.21% | 37.36% | +9.15% |
| 9 | 2025-03-17 | 7.13% | 28.21% | +21.08% |
| 10 | 2025-02-13 | 6.52% | 7.13% | +0.61% |
| 11 | 2025-01-27 | 4.71% | 6.52% | +1.81% |
| 12 | 2024-12-17 | 3.52% | 4.71% | +1.19% |
| 13 | 2024-12-10 | 4.62% | 3.52% | -1.09% |
| 14 | 2024-08-27 | 3.31% | 4.62% | +1.30% |
| 15 | 2024-07-16 | 2.36% | 3.31% | +0.95% |
| 16 | 2024-05-09 | 0.26% | 2.36% | +2.11% |
| 17 | 2024-03-30 | 0.18% | 0.26% | +0.08% |
| 18 | 2023-04-15 | 0.11% | 0.18% | +0.07% |
| 19 | 2023-03-07 | 2.21% | 0.11% | -2.10% |
| 20 | 2022-04-01 | 12.49% | 2.21% | -10.28% |
| 21 | 2022-02-04 | 3.63% | 12.49% | +8.86% |
| 22 | 2022-01-06 | 0.83% | 3.63% | +2.80% |
| 23 | 2021-09-01 | 0.62% | 0.83% | +0.21% |
| 24 | 2021-08-25 | — | 0.62% | — |