EPSS score history for CVE-2022-4221, 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 | 55.21% | 4.80% | -50.40% |
| 2 | 2025-12-06 | 21.28% | 55.21% | +33.92% |
| 3 | 2025-12-02 | 5.20% | 21.28% | +16.08% |
| 4 | 2025-11-21 | 55.21% | 5.20% | -50.01% |
| 5 | 2025-11-18 | 5.20% | 55.21% | +50.01% |
| 6 | 2025-09-27 | 4.68% | 5.20% | +0.52% |
| 7 | 2025-08-26 | 4.89% | 4.68% | -0.21% |
| 8 | 2025-03-30 | 14.54% | 4.89% | -9.65% |
| 9 | 2025-03-29 | 4.89% | 14.54% | +9.65% |
| 10 | 2025-03-17 | 83.88% | 4.89% | -78.99% |
| 11 | 2024-12-27 | 86.50% | 83.88% | -2.62% |
| 12 | 2024-12-17 | 93.65% | 86.50% | -7.15% |
| 13 | 2024-09-04 | 93.10% | 93.65% | +0.55% |
| 14 | 2024-06-23 | 93.27% | 93.10% | -0.18% |
| 15 | 2024-05-13 | 91.65% | 93.27% | +1.63% |
| 16 | 2024-04-03 | 90.05% | 91.65% | +1.60% |
| 17 | 2024-02-23 | 88.00% | 90.05% | +2.05% |
| 18 | 2024-02-10 | 82.10% | 88.00% | +5.90% |
| 19 | 2024-01-03 | 78.05% | 82.10% | +4.05% |
| 20 | 2023-12-21 | 60.45% | 78.05% | +17.60% |
| 21 | 2023-12-08 | 45.42% | 60.45% | +15.02% |
| 22 | 2023-11-13 | 37.74% | 45.42% | +7.68% |
| 23 | 2023-11-01 | 14.94% | 37.74% | +22.80% |
| 24 | 2023-09-15 | 13.80% | 14.94% | +1.14% |
| 25 | 2023-08-22 | 18.30% | 13.80% | -4.50% |
| 26 | 2023-07-31 | 20.29% | 18.30% | -1.98% |
| 27 | 2023-06-27 | 15.40% | 20.29% | +4.88% |
| 28 | 2023-06-16 | 21.46% | 15.40% | -6.06% |
| 29 | 2023-04-20 | 3.42% | 21.46% | +18.04% |
| 30 | 2023-03-18 | 1.74% | 3.42% | +1.68% |
| 31 | 2023-03-07 | 2.05% | 1.74% | -0.32% |
| 32 | 2022-12-02 | — | 2.05% | — |