CVE-2020-17087

Published: Nov 11, 2020Modified: Oct 29, 2025CISA KEV

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: NVD (Secondary)

Description

Windows Kernel Local Elevation of Privilege Vulnerability

Affected (34)

Products: Microsoft: Windows 10 1507, Windows 10 1607, Windows 10 1803, Windows 10 1809, Windows 10 1903, Windows 10 1909, Windows 10 2004, Windows 10 20h2, Windows 7, Windows 8.1, Windows Rt 8.1, Windows Server 2008, Windows Server 2012, Windows Server 2016, Windows Server 2019

15 products

Windows 10 1507

Windows 10 1607

Windows 10 1803

Windows 10 1809

Windows 10 1903

Windows 10 1909

Windows 10 2004

Windows 10 20h2

Windows Server 2008

Windows Server 2012

Windows Server 2016

Windows Server 2019

Configuration A

34 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 10 1507	All versions
Microsoft Windows 10 1507	All versions
Microsoft Windows 10 1607	All versions
Microsoft Windows 10 1607	All versions
Microsoft Windows 10 1803	All versions
Microsoft Windows 10 1803	All versions
Microsoft Windows 10 1803	All versions
Microsoft Windows 10 1809	All versions
Microsoft Windows 10 1809	All versions
Microsoft Windows 10 1809	All versions
Microsoft Windows 10 1903	All versions
Microsoft Windows 10 1903	All versions
Microsoft Windows 10 1903	All versions
Microsoft Windows 10 1909	All versions
Microsoft Windows 10 1909	All versions
Microsoft Windows 10 1909	All versions
Microsoft Windows 10 2004	All versions
Microsoft Windows 10 2004	All versions
Microsoft Windows 10 2004	All versions
Microsoft Windows 10 20h2	All versions
Microsoft Windows 10 20h2	All versions
Microsoft Windows 7	All versions
Microsoft Windows 8.1	All versions
Microsoft Windows Rt 8.1	All versions
Microsoft Windows Server 2008	All versions
Microsoft Windows Server 2008	Version r2 sp2
Microsoft Windows Server 2012	All versions
Microsoft Windows Server 2012	Version r2
Microsoft Windows Server 2016	All versions
Microsoft Windows Server 2016	Version 1903
Microsoft Windows Server 2016	Version 1909
Microsoft Windows Server 2016	Version 2004
Microsoft Windows Server 2016	Version 20h2
Microsoft Windows Server 2019	All versions

Related CWEs

Incorrect Calculation of Buffer Size

The product does not correctly calculate the size to be used when allocating a buffer, which could lead to a buffer overflow.

References (3)

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17087

Source: secure@microsoft.com

PatchVendor Advisory

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17087

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17087

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

US Government Resource

Timeline

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