boxscore/security
PRODUCT · referenceProducts · latest edition

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 Server, Version 1909 (Server Core Installation)

Product reference — Windows Server, Version 1909 (Server Core Installation) by Microsoft · sector: Operating Systems & Platforms. Cumulative disclosure record for this product across the archive.

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Product totals

Disclosures & known-exploited
All-timeYTD
CVEs1390
KEV entries160
Rate & severity
KEV/100Med CVSSMed EPSSCHML
11.57.8.01248110210

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): ▁▁▁▁█▁▁▁▁▁▁▁▁▁▅▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

Last 12 months (new CVEs by first-seen day)
MonthNew CVEs
2025-110
2025-120
2026-010
2026-020
2026-030
2026-040
2026-050
2026-060
2026-070
2026-080
2026-090
2026-100

Notable CVEs

Ranked by the published formula: KEV → EPSS → CVSS → CVE ID.

Notable (ranked)
CVECVSSEPSS %ileSeverityKEVFirst seen
CVE-2020-079610.0100.0CRITICALYES2022-02-10
CVE-2020-14725.599.9MEDIUMYES2020-08-17
CVE-2020-135010.099.9CRITICALYES2020-07-14
CVE-2020-06018.199.8HIGHYES2020-01-14
CVE-2021-17327.899.6HIGHYES2021-11-03
CVE-2020-09387.899.3HIGHYES2020-04-15
CVE-2020-10208.899.2HIGHYES2020-04-15
CVE-2020-10547.099.0HIGHYES2021-11-03
CVE-2020-07877.898.7HIGHYES2022-01-28
CVE-2020-14647.898.6HIGHYES2020-08-17
CVE-2020-09867.896.9HIGHYES2020-06-09
CVE-2021-283107.894.8HIGHYES2021-04-13
CVE-2020-06837.894.4HIGHYES2020-02-11
CVE-2020-170877.892.5HIGHYES2020-11-11
CVE-2020-10277.891.3HIGHYES2020-04-15

Recent CVEs

Most recently seen
CVECVSSEPSS %ileSeverityKEVFirst seen
CVE-2020-06387.883.3HIGHYES2022-05-23
CVE-2020-079610.0100.0CRITICALYES2022-02-10
CVE-2020-07877.898.7HIGHYES2022-01-28
CVE-2020-10547.099.0HIGHYES2021-11-03
CVE-2021-17327.899.6HIGHYES2021-11-03
CVE-2021-337605.561.0MEDIUM—2021-07-14
CVE-2021-283107.894.8HIGHYES2021-04-13
CVE-2021-270777.872.4HIGH—2021-03-11
CVE-2021-270637.593.8HIGH—2021-03-11
CVE-2021-269007.883.8HIGH—2021-03-11
CVE-2021-269017.855.7HIGH—2021-03-11
CVE-2021-268997.860.4HIGH—2021-03-11
CVE-2021-268987.857.6HIGH—2021-03-11
CVE-2021-268967.594.5HIGH—2021-03-11
CVE-2021-268979.895.9CRITICAL—2021-03-11

KEV entries

CISA Known Exploited Vulnerabilities (newest addition first)
CVEKEV addedCVSSEPSS %ileSeverity
CVE-2020-10272022-05-237.891.3HIGH
CVE-2020-06382022-05-237.883.3HIGH
CVE-2020-07962022-02-1010.0100.0CRITICAL
CVE-2020-07872022-01-287.898.7HIGH
CVE-2020-10542021-11-037.099.0HIGH
CVE-2020-06012021-11-038.199.8HIGH
CVE-2020-14722021-11-035.599.9MEDIUM
CVE-2020-13502021-11-0310.099.9CRITICAL
CVE-2021-283102021-11-037.894.8HIGH
CVE-2020-14642021-11-037.898.6HIGH
CVE-2020-10202021-11-038.899.2HIGH
CVE-2020-09862021-11-037.896.9HIGH
CVE-2020-09382021-11-037.899.3HIGH
CVE-2020-170872021-11-037.892.5HIGH
CVE-2020-06832021-11-037.894.4HIGH
CVE-2021-17322021-11-037.899.6HIGH

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.