EPSS score history for CVE-2021-40438, 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 | 94.43% | 100.00% | +5.57% |
| 2 | 2026-01-24 | 94.47% | 94.43% | -0.03% |
| 3 | 2026-01-21 | 94.43% | 94.47% | +0.03% |
| 4 | 2025-11-21 | 94.30% | 94.43% | +0.13% |
| 5 | 2025-11-18 | 94.43% | 94.30% | -0.13% |
| 6 | 2025-05-16 | 94.47% | 94.43% | -0.03% |
| 7 | 2025-05-15 | 94.44% | 94.47% | +0.02% |
| 8 | 2025-03-17 | 96.55% | 94.44% | -2.11% |
| 9 | 2025-02-19 | 96.51% | 96.55% | +0.04% |
| 10 | 2025-01-19 | 96.70% | 96.51% | -0.19% |
| 11 | 2024-09-19 | 96.78% | 96.70% | -0.08% |
| 12 | 2024-08-22 | 96.60% | 96.78% | +0.18% |
| 13 | 2024-07-25 | 97.06% | 96.60% | -0.46% |
| 14 | 2024-06-19 | 97.37% | 97.06% | -0.31% |
| 15 | 2024-03-14 | 97.33% | 97.37% | +0.04% |
| 16 | 2024-02-29 | 97.36% | 97.33% | -0.03% |
| 17 | 2024-02-07 | 97.14% | 97.36% | +0.23% |
| 18 | 2023-12-21 | 97.20% | 97.14% | -0.06% |
| 19 | 2023-11-08 | 97.29% | 97.20% | -0.09% |
| 20 | 2023-09-22 | 97.53% | 97.29% | -0.24% |
| 21 | 2023-03-07 | 97.22% | 97.53% | +0.30% |
| 22 | 2022-02-04 | 36.56% | 97.22% | +60.67% |
| 23 | 2021-11-25 | 35.06% | 36.56% | +1.49% |
| 24 | 2021-10-20 | 31.86% | 35.06% | +3.21% |
| 25 | 2021-10-19 | 30.13% | 31.86% | +1.72% |
| 26 | 2021-10-18 | 8.77% | 30.13% | +21.36% |
| 27 | 2021-10-11 | 28.32% | 8.77% | -19.55% |
| 28 | 2021-10-09 | 24.40% | 28.32% | +3.92% |
| 29 | 2021-10-05 | 6.71% | 24.40% | +17.69% |
| 30 | 2021-10-03 | 6.01% | 6.71% | +0.71% |
| 31 | 2021-09-28 | 2.08% | 6.01% | +3.93% |
| 32 | 2021-09-25 | 1.82% | 2.08% | +0.26% |
| 33 | 2021-09-24 | 0.78% | 1.82% | +1.04% |
| 34 | 2021-09-21 | 0.52% | 0.78% | +0.26% |
| 35 | 2021-09-17 | — | 0.52% | — |