EPSS score history for CVE-2021-40978, 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 | 2026-06-27 | 14.49% | 14.76% | +0.27% |
| 2 | 2026-06-15 | 79.72% | 14.49% | -65.23% |
| 3 | 2026-05-06 | 81.01% | 79.72% | -1.29% |
| 4 | 2026-05-02 | 84.81% | 81.01% | -3.81% |
| 5 | 2025-11-21 | 73.52% | 84.81% | +11.29% |
| 6 | 2025-11-18 | 84.81% | 73.52% | -11.29% |
| 7 | 2025-08-20 | 79.72% | 84.81% | +5.09% |
| 8 | 2025-03-30 | 89.64% | 79.72% | -9.92% |
| 9 | 2025-03-29 | 79.72% | 89.64% | +9.92% |
| 10 | 2025-03-28 | 82.10% | 79.72% | -2.38% |
| 11 | 2025-03-27 | 79.72% | 82.10% | +2.38% |
| 12 | 2025-03-26 | 72.33% | 79.72% | +7.38% |
| 13 | 2025-03-17 | 5.21% | 72.33% | +67.13% |
| 14 | 2025-03-12 | 5.56% | 5.21% | -0.36% |
| 15 | 2024-12-17 | 3.05% | 5.56% | +2.51% |
| 16 | 2024-06-22 | 3.36% | 3.05% | -0.30% |
| 17 | 2024-05-27 | 4.24% | 3.36% | -0.88% |
| 18 | 2024-05-13 | 3.45% | 4.24% | +0.79% |
| 19 | 2023-11-03 | 4.27% | 3.45% | -0.82% |
| 20 | 2023-06-27 | 3.71% | 4.27% | +0.56% |
| 21 | 2023-05-29 | 2.60% | 3.71% | +1.11% |
| 22 | 2023-04-30 | 3.53% | 2.60% | -0.94% |
| 23 | 2023-04-17 | 3.44% | 3.53% | +0.10% |
| 24 | 2023-03-20 | 2.15% | 3.44% | +1.28% |
| 25 | 2023-03-07 | 26.57% | 2.15% | -24.42% |
| 26 | 2022-09-08 | 1.02% | 26.57% | +25.55% |
| 27 | 2022-04-01 | 26.57% | 1.02% | -25.55% |
| 28 | 2022-02-04 | 4.50% | 26.57% | +22.07% |
| 29 | 2022-01-06 | 1.04% | 4.50% | +3.46% |
| 30 | 2021-10-09 | 0.62% | 1.04% | +0.42% |
| 31 | 2021-10-08 | — | 0.62% | — |