Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2020-17087

CVE-2020-17087HIGH

Microsoft Windows 10 Version 1803 — Windows Kernel Local Elevation of Privilege Vulnerability

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   L   N  U  H  H  H    7.8   .0543   92.5   YES

AFFECTED
  Product                                                  Versions  Fixed
  Windows 10 Version 1803                                  10.0.0 –  —
  Windows 10 Version 1809                                  10.0.0 –  —
  Windows Server 2019                                      10.0.0 –  —
  Windows Server 2019 (Server Core installation)           10.0.0 –  —
  Windows 10 Version 1909                                  10.0.0 –  —
  Windows Server, version 1909 (Server Core installation)  10.0.0 –  —
  Windows 10 Version 1903 for 32-bit Systems               10.0.0 –  —
  Windows 10 Version 1903 for x64-based Systems            10.0.0 –  —
  Windows 10 Version 1903 for ARM64-based Systems          10.0.0 –  —
  Windows Server, version 1903 (Server Core installation)  10.0.0 –  —
  + 20 more

TIMELINE
  Aug 4   Reserved by microsoft
  Nov 11  Published (CNA: microsoft)
  Nov 3   Added to CISA KEV, remediation due 2022-05-03

CWE-131 · CNA: microsoft · CVSS v3.1 · 2 references · KEV due May 3, 2022

Description

Windows Kernel Local Elevation of Privilege Vulnerability

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
August 4, 2020	Reserved	Reserved by microsoft
November 11, 2020	Published	Published (CNA: microsoft)
November 3, 2021	KEV ADDED	Added to CISA KEV, remediation due 2022-05-03

Affected

Affected products and packages — 30 rows
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Microsoft	Windows 10 Version 1803	—	10.0.0	—
Microsoft	Windows 10 Version 1809	—	10.0.0	—
Microsoft	Windows Server 2019	—	10.0.0	—
Microsoft	Windows Server 2019 (Server Core installation)	—	10.0.0	—
Microsoft	Windows 10 Version 1909	—	10.0.0	—
Microsoft	Windows Server, version 1909 (Server Core installation)	—	10.0.0	—
Microsoft	Windows 10 Version 1903 for 32-bit Systems	—	10.0.0	—
Microsoft	Windows 10 Version 1903 for x64-based Systems	—	10.0.0	—
Microsoft	Windows 10 Version 1903 for ARM64-based Systems	—	10.0.0	—
Microsoft	Windows Server, version 1903 (Server Core installation)	—	10.0.0	—
Microsoft	Windows 10 Version 2004	—	10.0.0	—
Microsoft	Windows Server version 2004	—	10.0.0	—
Microsoft	Windows 10 Version 20H2	—	10.0.0	—
Microsoft	Windows Server version 20H2	—	10.0.0	—
Microsoft	Windows 10 Version 1507	—	10.0.0	—
Microsoft	Windows 10 Version 1607	—	10.0.0	—
Microsoft	Windows Server 2016	—	10.0.0	—
Microsoft	Windows Server 2016 (Server Core installation)	—	10.0.0	—
Microsoft	Windows 7	—	6.1.0	—
Microsoft	Windows 7 Service Pack 1	—	6.1.0	—
Microsoft	Windows 8.1	—	6.3.0	—
Microsoft	Windows Server 2008 Service Pack 2	—	6.0.0	—
Microsoft	Windows Server 2008 Service Pack 2 (Server Core installation)	—	6.0.0	—
Microsoft	Windows Server 2008 Service Pack 2	—	6.0.0	—
Microsoft	Windows Server 2008 R2 Service Pack 1	—	6.1.0	—
Microsoft	Windows Server 2008 R2 Service Pack 1 (Server Core installation)	—	6.0.0	—
Microsoft	Windows Server 2012	—	6.2.0	—
Microsoft	Windows Server 2012 (Server Core installation)	—	6.2.0	—
Microsoft	Windows Server 2012 R2	—	6.3.0	—
Microsoft	Windows Server 2012 R2 (Server Core installation)	—	6.3.0	—

Weaknesses

CWE-131

References (2)

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17087 [x_refsource_MISC]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17087 [government-resource]

Authoritative record: CVE-2020-17087 at cve.org

Vendors: microsoft

Weaknesses: CWE-131

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2020-17087 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.