EPSS score history for CVE-2021-4436, 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 | 2026-07-07 | 6.70% | 6.65% | -0.05% |
| 2 | 2026-06-15 | 80.15% | 6.70% | -73.45% |
| 3 | 2026-05-28 | 76.90% | 80.15% | +3.25% |
| 4 | 2026-04-13 | 80.15% | 76.90% | -3.25% |
| 5 | 2026-04-04 | 81.44% | 80.15% | -1.28% |
| 6 | 2026-03-01 | 80.68% | 81.44% | +0.76% |
| 7 | 2026-02-18 | 80.05% | 80.68% | +0.62% |
| 8 | 2026-01-18 | 79.59% | 80.05% | +0.47% |
| 9 | 2025-12-16 | 77.43% | 79.59% | +2.15% |
| 10 | 2025-11-23 | 76.78% | 77.43% | +0.65% |
| 11 | 2025-11-21 | 80.58% | 76.78% | -3.80% |
| 12 | 2025-11-18 | 76.78% | 80.58% | +3.80% |
| 13 | 2025-10-22 | 73.89% | 76.78% | +2.89% |
| 14 | 2025-06-26 | 69.45% | 73.89% | +4.45% |
| 15 | 2025-06-13 | 66.97% | 69.45% | +2.48% |
| 16 | 2025-05-31 | 67.46% | 66.97% | -0.49% |
| 17 | 2025-04-27 | 68.38% | 67.46% | -0.92% |
| 18 | 2025-04-14 | 70.77% | 68.38% | -2.40% |
| 19 | 2025-03-30 | 84.77% | 70.77% | -14.00% |
| 20 | 2025-03-29 | 70.77% | 84.77% | +14.00% |
| 21 | 2025-03-18 | 65.84% | 70.77% | +4.93% |
| 22 | 2025-03-17 | 3.15% | 65.84% | +62.70% |
| 23 | 2025-03-09 | 2.58% | 3.15% | +0.56% |
| 24 | 2025-02-11 | 2.30% | 2.58% | +0.28% |
| 25 | 2025-01-05 | 2.83% | 2.30% | -0.53% |
| 26 | 2024-12-25 | 7.69% | 2.83% | -4.86% |
| 27 | 2024-12-17 | 13.58% | 7.69% | -5.88% |
| 28 | 2024-12-02 | 11.90% | 13.58% | +1.68% |
| 29 | 2024-11-19 | 23.36% | 11.90% | -11.46% |
| 30 | 2024-11-08 | 29.50% | 23.36% | -6.14% |
| 31 | 2024-10-26 | 24.29% | 29.50% | +5.21% |
| 32 | 2024-10-17 | 20.23% | 24.29% | +4.06% |
| 33 | 2024-10-04 | 26.34% | 20.23% | -6.11% |
| 34 | 2024-09-23 | 24.81% | 26.34% | +1.53% |
| 35 | 2024-09-13 | 18.94% | 24.81% | +5.87% |
| 36 | 2024-08-31 | 18.48% | 18.94% | +0.46% |
| 37 | 2024-07-18 | 18.77% | 18.48% | -0.29% |
| 38 | 2024-06-25 | 0.41% | 18.77% | +18.36% |
| 39 | 2024-02-10 | 0.04% | 0.41% | +0.37% |
| 40 | 2024-02-08 | — | 0.04% | — |