Reference page — cumulative record through Wednesday, October 7, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
Windows 10 Version 1803
Product reference — Windows 10 Version 1803 by Microsoft · sector: Operating Systems & Platforms. Cumulative disclosure record for this product across the archive.
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Product totals
| All-time | YTD | |
|---|---|---|
| CVEs | 108 | 0 |
| KEV entries | 7 | 0 |
| KEV/100 | Med CVSS | Med EPSS | C | H | M | L |
|---|---|---|---|---|---|---|
| 6.5 | 7.8 | .0114 | 0 | 91 | 17 | 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.
Monthly disclosures
Trend (by first-seen month, full archive): ▁▁▁▁▁▁▁▁▁▁▁█▁▁▁▁▁▁▁▁▁▄▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁
| Month | New CVEs |
|---|---|
| 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 |
| 2026-09 | 0 |
| 2026-10 | 0 |
Notable CVEs
Ranked by the published formula: KEV → EPSS → CVSS → CVE ID.
| CVE | CVSS | EPSS %ile | Severity | KEV | First seen |
|---|---|---|---|---|---|
| CVE-2021-1732 | 7.8 | 99.6 | HIGH | YES | 2021-11-03 |
| CVE-2020-1054 | 7.0 | 99.0 | HIGH | YES | 2021-11-03 |
| CVE-2020-1464 | 7.8 | 98.6 | HIGH | YES | 2020-08-17 |
| CVE-2021-28310 | 7.8 | 94.8 | HIGH | YES | 2021-04-13 |
| CVE-2019-1064 | 7.8 | 93.9 | HIGH | YES | 2019-06-12 |
| CVE-2019-1069 | 7.8 | 93.2 | HIGH | YES | 2022-03-15 |
| CVE-2020-17087 | 7.8 | 92.5 | HIGH | YES | 2020-11-11 |
| CVE-2020-1048 | 7.8 | 96.9 | HIGH | — | 2020-05-21 |
| CVE-2020-1118 | 8.6 | 96.6 | HIGH | — | 2020-05-21 |
| CVE-2021-26863 | 7.0 | 96.0 | HIGH | — | 2021-03-11 |
| CVE-2020-1113 | 5.3 | 93.4 | MEDIUM | — | 2020-05-21 |
| CVE-2020-1179 | 6.5 | 92.2 | MEDIUM | — | 2020-05-21 |
| CVE-2020-0963 | 5.5 | 91.6 | MEDIUM | — | 2020-05-21 |
| CVE-2020-0909 | 7.5 | 91.5 | HIGH | — | 2020-05-21 |
| CVE-2020-1126 | 8.8 | 90.5 | HIGH | — | 2020-05-21 |
Recent CVEs
| CVE | CVSS | EPSS %ile | Severity | KEV | First seen |
|---|---|---|---|---|---|
| CVE-2019-1069 | 7.8 | 93.2 | HIGH | YES | 2022-03-15 |
| CVE-2020-1054 | 7.0 | 99.0 | HIGH | YES | 2021-11-03 |
| CVE-2021-1732 | 7.8 | 99.6 | HIGH | YES | 2021-11-03 |
| CVE-2021-28310 | 7.8 | 94.8 | HIGH | YES | 2021-04-13 |
| CVE-2021-27077 | 7.8 | 72.4 | HIGH | — | 2021-03-11 |
| CVE-2021-26901 | 7.8 | 55.7 | HIGH | — | 2021-03-11 |
| CVE-2021-26899 | 7.8 | 60.4 | HIGH | — | 2021-03-11 |
| CVE-2021-26898 | 7.8 | 57.6 | HIGH | — | 2021-03-11 |
| CVE-2021-26892 | 6.2 | 69.6 | MEDIUM | — | 2021-03-11 |
| CVE-2021-26889 | 7.8 | 66.0 | HIGH | — | 2021-03-11 |
| CVE-2021-26887 | 7.8 | 63.3 | HIGH | — | 2021-03-11 |
| CVE-2021-26886 | 6.1 | 65.2 | MEDIUM | — | 2021-03-11 |
| CVE-2021-26885 | 7.8 | 88.7 | HIGH | — | 2021-03-11 |
| CVE-2021-26884 | 5.5 | 62.3 | MEDIUM | — | 2021-03-11 |
| CVE-2021-26882 | 7.8 | 81.0 | HIGH | — | 2021-03-11 |
KEV entries
| CVE | KEV added | CVSS | EPSS %ile | Severity |
|---|---|---|---|---|
| CVE-2019-1064 | 2022-03-15 | 7.8 | 93.9 | HIGH |
| CVE-2019-1069 | 2022-03-15 | 7.8 | 93.2 | HIGH |
| CVE-2020-1054 | 2021-11-03 | 7.0 | 99.0 | HIGH |
| CVE-2021-28310 | 2021-11-03 | 7.8 | 94.8 | HIGH |
| CVE-2020-1464 | 2021-11-03 | 7.8 | 98.6 | HIGH |
| CVE-2020-17087 | 2021-11-03 | 7.8 | 92.5 | HIGH |
| CVE-2021-1732 | 2021-11-03 | 7.8 | 99.6 | HIGH |
Related
Vendor: Microsoft — all products and the full vendor record.
Methodology
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.
