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 1809 by Microsoft · sector: Operating Systems & Platforms. Cumulative disclosure record for this product across the archive.
Follow Windows 10 Version 1809 — Atom feed
| All-time | YTD | |
|---|---|---|
| CVEs | 1385 | 813 |
| KEV entries | 48 | 10 |
| KEV/100 | Med CVSS | Med EPSS | C | H | M | L |
|---|---|---|---|---|---|---|
| 3.5 | 7.8 | .0061 | 39 | 1016 | 325 | 4 |
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 | 67 |
| 2026-02 | 22 |
| 2026-03 | 0 |
| 2026-04 | 98 |
| 2026-05 | 51 |
| 2026-06 | 84 |
| 2026-07 | 311 |
| 2026-08 | 180 |
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-2023-36884 | 7.5 | 99.9 | HIGH | YES | 2023-07-17 |
| CVE-2021-40444 | 8.8 | 99.9 | HIGH | YES | 2021-11-03 |
| CVE-2024-21412 | 8.1 | 99.9 | HIGH | YES | 2024-02-13 |
| CVE-2021-1675 | 7.8 | 99.7 | HIGH | YES | 2021-11-03 |
| CVE-2026-33824 | 9.8 | 99.5 | CRITICAL | YES | 2026-04-14 |
| CVE-2021-1732 | 7.8 | 99.5 | HIGH | YES | 2021-11-03 |
| CVE-2024-30088 | 7.0 | 99.3 | HIGH | YES | 2024-10-15 |
| CVE-2021-36934 | 7.8 | 99.2 | HIGH | YES | 2022-02-10 |
| CVE-2024-43572 | 7.8 | 99.2 | HIGH | YES | 2024-10-08 |
| CVE-2026-32202 | 4.3 | 99.2 | MEDIUM | YES | 2026-04-28 |
| CVE-2024-21338 | 7.8 | 99.1 | HIGH | YES | 2024-03-04 |
| CVE-2022-21882 | 7.8 | 98.9 | HIGH | YES | 2022-02-04 |
| CVE-2024-43461 | 8.8 | 98.9 | HIGH | YES | 2024-09-16 |
| CVE | CVSS | EPSS %ile | Severity | KEV | First seen |
|---|---|---|---|---|---|
| CVE-2026-71331 | 8.1 | 37.2 | HIGH | — | 2026-08-11 |
| CVE-2026-70346 | 7.8 | 23.9 | HIGH | — | 2026-08-11 |
| CVE-2026-70344 | 7.8 | 23.9 | HIGH | — | 2026-08-11 |
| CVE-2026-70347 | 7.8 | 23.8 | HIGH | — | 2026-08-11 |
| CVE-2026-70345 | 7.8 | 15.4 | HIGH | — | 2026-08-11 |
| CVE-2026-70330 | 7.8 | 24.4 | HIGH | — | 2026-08-11 |
| CVE-2026-70307 | 7.0 | 19.1 | HIGH | — | 2026-08-11 |
| CVE-2026-70304 | 7.8 | 24.4 | HIGH | — | 2026-08-11 |
| CVE-2026-68819 | 7.5 | 49.8 | HIGH | — | 2026-08-11 |
| CVE-2026-68820 | 7.0 | 26.2 | HIGH | YES | 2026-08-11 |
| CVE-2026-66802 | 8.1 | 28.4 | HIGH | — | 2026-08-11 |
| CVE-2026-65814 | 7.8 | 16.9 | HIGH | — | 2026-08-11 |
| CVE-2026-66799 | 7.8 | 19.2 | HIGH | — | 2026-08-11 |
| CVE-2026-65799 | 7.8 | 15.8 | HIGH | — | 2026-08-11 |
| CVE-2026-65798 | 6.7 | 16.8 | MEDIUM | — | 2026-08-11 |
| CVE | KEV added | CVSS | EPSS %ile | Severity |
|---|---|---|---|---|
| CVE-2026-33824 | 2026-08-18 | 9.8 | 99.5 | CRITICAL |
| CVE-2026-68820 | 2026-08-11 | 7.0 | 26.2 | HIGH |
| CVE-2026-56155 | 2026-07-14 | 7.8 | 82.2 | HIGH |
| CVE-2026-32202 | 2026-04-28 | 4.3 | 99.2 | MEDIUM |
| CVE-2026-21533 | 2026-02-10 | 7.8 | 89.3 | HIGH |
| CVE-2026-21525 | 2026-02-10 | 6.2 | 91.5 | MEDIUM |
| CVE-2026-21519 | 2026-02-10 | 7.8 | 82.9 | HIGH |
| CVE-2026-21513 | 2026-02-10 | 8.8 | 96.5 | HIGH |
| CVE-2026-21510 | 2026-02-10 | 8.8 | 97.8 | HIGH |
| CVE-2026-20805 | 2026-01-13 | 5.5 | 91.7 | MEDIUM |
| CVE-2025-29824 | 2025-04-08 | 7.8 | 96.2 | HIGH |
| CVE-2025-26633 | 2025-03-11 | 7.0 | 98.1 | HIGH |
| CVE-2024-35250 | 2024-12-16 | 7.8 | 97.8 | HIGH |
| CVE-2024-49039 | 2024-11-12 | 8.8 | 96.3 | HIGH |
| CVE-2024-30088 | 2024-10-15 | 7.0 | 99.3 | HIGH |
| CVE-2024-43572 | 2024-10-08 | 7.8 | 99.2 | HIGH |
| CVE-2024-43573 | 2024-10-08 | 6.5 | 98.6 | MEDIUM |
| CVE-2024-43461 | 2024-09-16 | 8.8 | 98.9 | HIGH |
| CVE-2024-38217 | 2024-09-10 | 5.4 | 95.2 | MEDIUM |
| CVE-2024-38014 | 2024-09-10 | 7.8 | 93.0 | HIGH |
| CVE-2024-21338 | 2024-03-04 | 7.8 | 99.1 | HIGH |
| CVE-2024-21412 | 2024-02-13 | 8.1 | 99.9 | HIGH |
| CVE-2024-21351 | 2024-02-13 | 7.6 | 98.1 | HIGH |
| CVE-2023-36884 | 2023-07-17 | 7.5 | 99.9 | HIGH |
| CVE-2023-23376 | 2023-02-14 | 7.8 | 95.5 | 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.