EPSS score history for CVE-2018-8421, 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 | 52.82% | 28.91% | -23.91% |
| 2 | 2026-05-15 | 54.99% | 52.82% | -2.17% |
| 3 | 2026-03-30 | 56.06% | 54.99% | -1.07% |
| 4 | 2026-03-01 | 49.70% | 56.06% | +6.36% |
| 5 | 2026-01-05 | 43.14% | 49.70% | +6.55% |
| 6 | 2025-11-21 | 22.80% | 43.14% | +20.34% |
| 7 | 2025-11-18 | 43.14% | 22.80% | -20.34% |
| 8 | 2025-11-15 | 39.98% | 43.14% | +3.16% |
| 9 | 2025-11-04 | 43.14% | 39.98% | -3.16% |
| 10 | 2025-09-07 | 30.48% | 43.14% | +12.65% |
| 11 | 2025-08-16 | 13.74% | 30.48% | +16.75% |
| 12 | 2025-08-14 | 14.19% | 13.74% | -0.45% |
| 13 | 2025-06-29 | 14.41% | 14.19% | -0.23% |
| 14 | 2025-06-02 | 16.29% | 14.41% | -1.87% |
| 15 | 2025-03-30 | 37.81% | 16.29% | -21.52% |
| 16 | 2025-03-29 | 16.29% | 37.81% | +21.52% |
| 17 | 2025-03-17 | 65.63% | 16.29% | -49.35% |
| 18 | 2025-03-09 | 70.89% | 65.63% | -5.26% |
| 19 | 2024-12-17 | 21.12% | 70.89% | +49.78% |
| 20 | 2024-08-23 | 30.02% | 21.12% | -8.90% |
| 21 | 2024-07-23 | 37.32% | 30.02% | -7.30% |
| 22 | 2024-06-28 | 47.02% | 37.32% | -9.70% |
| 23 | 2024-05-29 | 46.66% | 47.02% | +0.36% |
| 24 | 2024-05-02 | 47.65% | 46.66% | -0.99% |
| 25 | 2024-03-15 | 52.08% | 47.65% | -4.43% |
| 26 | 2024-02-25 | 59.49% | 52.08% | -7.41% |
| 27 | 2024-02-03 | 61.87% | 59.49% | -2.38% |
| 28 | 2024-01-12 | 74.16% | 61.87% | -12.29% |
| 29 | 2023-12-05 | 78.94% | 74.16% | -4.79% |
| 30 | 2023-09-06 | 78.84% | 78.94% | +0.10% |
| 31 | 2023-07-08 | 72.12% | 78.84% | +6.72% |
| 32 | 2023-03-26 | 68.82% | 72.12% | +3.30% |
| 33 | 2023-03-07 | 34.60% | 68.82% | +34.22% |
| 34 | 2023-01-03 | 32.42% | 34.60% | +2.18% |
| 35 | 2022-10-13 | 31.10% | 32.42% | +1.31% |
| 36 | 2022-08-29 | 27.14% | 31.10% | +3.96% |
| 37 | 2022-07-26 | 23.10% | 27.14% | +4.04% |
| 38 | 2022-06-19 | 21.36% | 23.10% | +1.74% |
| 39 | 2022-03-09 | 17.27% | 21.36% | +4.09% |
| 40 | 2022-02-04 | 17.55% | 17.27% | -0.28% |
| 41 | 2021-04-14 | — | 17.55% | — |