Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
Product reference — Windows 10 Version 20H2 by Microsoft · sector: Operating Systems & Platforms. Cumulative disclosure record for this product across the archive.
Follow Windows 10 Version 20H2 — Atom feed
| All-time | YTD | |
|---|---|---|
| CVEs | 259 | 0 |
| KEV entries | 22 | 0 |
| KEV/100 | Med CVSS | Med EPSS | C | H | M | L |
|---|---|---|---|---|---|---|
| 8.5 | 7.8 | .0115 | 6 | 196 | 57 | 0 |
KEV/100 = KEV entries ÷ CVEs × 100. Med CVSS / Med EPSS are medians over this product's disclosures. C/H/M/L = disclosures by CVSS severity band.
Trend (by first-seen month, full archive): ▅▁▁▁█▃▅▁▄▁▁▁▁▁▁▁▁▁▁▁▅▁▁▅▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁
| Month | New CVEs |
|---|---|
| 2025-09 | 0 |
| 2025-10 | 0 |
| 2025-11 | 0 |
| 2025-12 | 0 |
| 2026-01 | 0 |
| 2026-02 | 0 |
| 2026-03 | 0 |
| 2026-04 | 0 |
| 2026-05 | 0 |
| 2026-06 | 0 |
| 2026-07 | 0 |
| 2026-08 | 0 |
Ranked by the published formula: KEV → EPSS → CVSS → CVE ID.
| CVE | CVSS | EPSS %ile | Severity | KEV | First seen |
|---|---|---|---|---|---|
| CVE-2021-34527 | 8.8 | 100.0 | HIGH | YES | 2021-11-03 |
| CVE-2022-30190 | 7.8 | 99.9 | HIGH | YES | 2022-06-14 |
| CVE-2021-40444 | 8.8 | 99.9 | HIGH | YES | 2021-11-03 |
| CVE-2021-1675 | 7.8 | 99.7 | HIGH | YES | 2021-11-03 |
| CVE-2021-1732 | 7.8 | 99.5 | HIGH | YES | 2021-11-03 |
| CVE-2021-36934 | 7.8 | 99.2 | HIGH | YES | 2022-02-10 |
| CVE-2022-21882 | 7.8 | 98.9 | HIGH | YES | 2022-02-04 |
| CVE-2021-34448 | 6.8 | 98.5 | MEDIUM | YES | 2021-11-03 |
| CVE-2021-36948 | 7.8 | 97.9 | HIGH | YES | 2021-11-03 |
| CVE-2022-41128 | 8.8 | 97.7 | HIGH | YES | 2022-11-08 |
| CVE-2021-34484 | 7.8 | 97.4 | HIGH | YES | 2022-03-31 |
| CVE-2021-41379 | 5.5 | 97.2 | MEDIUM | YES | 2022-03-03 |
| CVE-2023-23376 | 7.8 | 95.5 | HIGH | YES | 2023-02-14 |
| CVE-2021-33771 | 7.8 | 95.3 | HIGH | YES | 2021-11-03 |
| CVE-2021-34486 | 7.8 | 94.9 | HIGH | YES | 2022-03-28 |
| CVE | CVSS | EPSS %ile | Severity | KEV | First seen |
|---|---|---|---|---|---|
| CVE-2023-23376 | 7.8 | 95.5 | HIGH | YES | 2023-02-14 |
| CVE-2023-21820 | 7.4 | 47.6 | HIGH | — | 2023-02-14 |
| CVE-2023-21822 | 7.8 | 52.6 | HIGH | — | 2023-02-14 |
| CVE-2023-21823 | 7.8 | 92.2 | HIGH | YES | 2023-02-14 |
| CVE-2023-21818 | 7.5 | 98.6 | HIGH | — | 2023-02-14 |
| CVE-2023-21819 | 7.5 | 98.1 | HIGH | — | 2023-02-14 |
| CVE-2023-21813 | 7.5 | 74.7 | HIGH | — | 2023-02-14 |
| CVE-2023-21812 | 7.8 | 88.4 | HIGH | — | 2023-02-14 |
| CVE-2023-21816 | 7.5 | 75.8 | HIGH | — | 2023-02-14 |
| CVE-2023-21817 | 7.8 | 53.0 | HIGH | — | 2023-02-14 |
| CVE-2023-21811 | 7.5 | 74.7 | HIGH | — | 2023-02-14 |
| CVE-2023-21805 | 7.8 | 51.7 | HIGH | — | 2023-02-14 |
| CVE-2023-21804 | 7.8 | 35.4 | HIGH | — | 2023-02-14 |
| CVE-2023-21803 | 9.8 | 76.3 | CRITICAL | — | 2023-02-14 |
| CVE-2023-21802 | 7.8 | 48.0 | HIGH | — | 2023-02-14 |
| CVE | KEV added | CVSS | EPSS %ile | Severity |
|---|---|---|---|---|
| CVE-2023-23376 | 2023-02-14 | 7.8 | 95.5 | HIGH |
| CVE-2023-21823 | 2023-02-14 | 7.8 | 92.2 | HIGH |
| CVE-2022-41049 | 2022-11-14 | 5.4 | 83.3 | MEDIUM |
| CVE-2022-41128 | 2022-11-08 | 8.8 | 97.7 | HIGH |
| CVE-2022-41125 | 2022-11-08 | 7.8 | 86.4 | HIGH |
| CVE-2022-41091 | 2022-11-08 | 5.4 | 79.0 | MEDIUM |
| CVE-2022-41073 | 2022-11-08 | 7.8 | 82.6 | HIGH |
| CVE-2022-30190 | 2022-06-14 | 7.8 | 99.9 | HIGH |
| CVE-2021-34484 | 2022-03-31 | 7.8 | 97.4 | HIGH |
| CVE-2021-34486 | 2022-03-28 | 7.8 | 94.9 | HIGH |
| CVE-2021-41379 | 2022-03-03 | 5.5 | 97.2 | MEDIUM |
| CVE-2021-36934 | 2022-02-10 | 7.8 | 99.2 | HIGH |
| CVE-2022-21882 | 2022-02-04 | 7.8 | 98.9 | HIGH |
| CVE-2021-1732 | 2021-11-03 | 7.8 | 99.5 | HIGH |
| CVE-2021-1675 | 2021-11-03 | 7.8 | 99.7 | HIGH |
| CVE-2021-40444 | 2021-11-03 | 8.8 | 99.9 | HIGH |
| CVE-2021-36955 | 2021-11-03 | 7.8 | 89.8 | HIGH |
| CVE-2021-36948 | 2021-11-03 | 7.8 | 97.9 | HIGH |
| CVE-2021-34527 | 2021-11-03 | 8.8 | 100.0 | HIGH |
| CVE-2021-34448 | 2021-11-03 | 6.8 | 98.5 | MEDIUM |
| CVE-2021-33771 | 2021-11-03 | 7.8 | 95.3 | HIGH |
| CVE-2021-31979 | 2021-11-03 | 7.8 | 90.8 | HIGH |
Vendor: Microsoft — all products and the full vendor record.
A product is a (vendor, product) pair as named in the affected-product data. Rate statistics are arithmetic over published figures. Counts key to first-seen day. Raw counts are not comparable across products; this is a reference page assembled from the public record, not a ranking by our judgment.
Sources. CVE Program (cvelistV5), NVD (NIST), CISA KEV, FIRST EPSS.