EPSS score history for CVE-2021-39327, 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 | 90.94% | 72.33% | -18.61% |
| 2 | 2026-03-04 | 90.53% | 90.94% | +0.42% |
| 3 | 2026-03-01 | 90.94% | 90.53% | -0.42% |
| 4 | 2026-02-04 | 90.53% | 90.94% | +0.42% |
| 5 | 2026-02-03 | 90.90% | 90.53% | -0.37% |
| 6 | 2026-02-01 | 91.28% | 90.90% | -0.38% |
| 7 | 2026-01-04 | 90.90% | 91.28% | +0.38% |
| 8 | 2026-01-01 | 91.28% | 90.90% | -0.38% |
| 9 | 2025-12-04 | 90.90% | 91.28% | +0.38% |
| 10 | 2025-12-01 | 91.28% | 90.90% | -0.38% |
| 11 | 2025-11-21 | 74.39% | 91.28% | +16.89% |
| 12 | 2025-11-18 | 91.28% | 74.39% | -16.89% |
| 13 | 2025-11-08 | 88.16% | 91.28% | +3.12% |
| 14 | 2025-11-04 | 87.42% | 88.16% | +0.74% |
| 15 | 2025-11-01 | 88.16% | 87.42% | -0.74% |
| 16 | 2025-10-26 | 88.76% | 88.16% | -0.60% |
| 17 | 2025-10-10 | 91.28% | 88.76% | -2.51% |
| 18 | 2025-10-04 | 90.90% | 91.28% | +0.38% |
| 19 | 2025-10-01 | 91.28% | 90.90% | -0.38% |
| 20 | 2025-09-05 | 90.90% | 91.28% | +0.38% |
| 21 | 2025-09-01 | 91.28% | 90.90% | -0.38% |
| 22 | 2025-08-04 | 90.90% | 91.28% | +0.38% |
| 23 | 2025-08-01 | 91.28% | 90.90% | -0.38% |
| 24 | 2025-07-04 | 90.90% | 91.28% | +0.38% |
| 25 | 2025-07-01 | 91.28% | 90.90% | -0.38% |
| 26 | 2025-06-04 | 90.90% | 91.28% | +0.38% |
| 27 | 2025-06-01 | 91.28% | 90.90% | -0.38% |
| 28 | 2025-05-04 | 90.90% | 91.28% | +0.38% |
| 29 | 2025-05-01 | 91.28% | 90.90% | -0.38% |
| 30 | 2025-04-18 | 90.90% | 91.28% | +0.38% |
| 31 | 2025-04-17 | 91.28% | 90.90% | -0.38% |
| 32 | 2025-04-12 | 90.90% | 91.28% | +0.38% |
| 33 | 2025-04-11 | 91.28% | 90.90% | -0.38% |
| 34 | 2025-04-10 | 90.90% | 91.28% | +0.38% |
| 35 | 2025-04-09 | 91.28% | 90.90% | -0.38% |
| 36 | 2025-04-07 | 90.90% | 91.28% | +0.38% |
| 37 | 2025-04-06 | 91.28% | 90.90% | -0.38% |
| 38 | 2025-03-30 | 92.65% | 91.28% | -1.37% |
| 39 | 2025-03-29 | 91.28% | 92.65% | +1.37% |
| 40 | 2025-03-26 | 89.81% | 91.28% | +1.47% |
| 41 | 2025-03-24 | 91.28% | 89.81% | -1.47% |
| 42 | 2025-03-23 | 89.81% | 91.28% | +1.47% |
| 43 | 2025-03-22 | 89.26% | 89.81% | +0.55% |
| 44 | 2025-03-21 | 89.81% | 89.26% | -0.55% |
| 45 | 2025-03-18 | 89.26% | 89.81% | +0.55% |
| 46 | 2025-03-17 | 86.80% | 89.26% | +2.46% |
| 47 | 2025-03-09 | 85.57% | 86.80% | +1.23% |
| 48 | 2025-01-03 | 86.32% | 85.57% | -0.75% |
| 49 | 2024-12-17 | 45.10% | 86.32% | +41.23% |
| 50 | 2024-11-18 | 45.40% | 45.10% | -0.30% |
| 51 | 2024-10-20 | 40.02% | 45.40% | +5.39% |
| 52 | 2024-07-12 | 31.41% | 40.02% | +8.61% |
| 53 | 2024-06-27 | 24.82% | 31.41% | +6.59% |
| 54 | 2024-06-01 | 18.35% | 24.82% | +6.47% |
| 55 | 2024-04-22 | 16.26% | 18.35% | +2.09% |
| 56 | 2024-01-19 | 14.92% | 16.26% | +1.34% |
| 57 | 2024-01-07 | 13.88% | 14.92% | +1.04% |
| 58 | 2023-11-25 | 11.18% | 13.88% | +2.70% |
| 59 | 2023-10-14 | 10.07% | 11.18% | +1.11% |
| 60 | 2023-10-01 | 8.55% | 10.07% | +1.52% |
| 61 | 2023-07-07 | 9.33% | 8.55% | -0.78% |
| 62 | 2023-04-25 | 9.02% | 9.33% | +0.30% |
| 63 | 2023-04-10 | 7.51% | 9.02% | +1.52% |
| 64 | 2023-03-28 | 6.26% | 7.51% | +1.25% |
| 65 | 2023-03-07 | 82.68% | 6.26% | -76.42% |
| 66 | 2023-02-22 | 91.70% | 82.68% | -9.02% |
| 67 | 2022-12-29 | 82.68% | 91.70% | +9.02% |
| 68 | 2022-11-15 | 39.58% | 82.68% | +43.10% |
| 69 | 2022-07-15 | 82.68% | 39.58% | -43.10% |
| 70 | 2022-04-01 | 91.06% | 82.68% | -8.38% |
| 71 | 2022-02-08 | 90.96% | 91.06% | +0.10% |
| 72 | 2022-02-04 | 21.77% | 90.96% | +69.19% |
| 73 | 2021-10-30 | 3.63% | 21.77% | +18.14% |
| 74 | 2021-10-07 | 2.74% | 3.63% | +0.89% |
| 75 | 2021-10-05 | 0.62% | 2.74% | +2.12% |
| 76 | 2021-09-18 | — | 0.62% | — |