Nov 2020: Windows Kernel Local Elevation of Privilege Vulnerability
CVE-2020-17087 Published on November 11, 2020

Windows Kernel Local Elevation of Privilege Vulnerability
Windows Kernel Local Elevation of Privilege Vulnerability

NVD

Known Exploited Vulnerability

This Microsoft Windows Kernel Cryptography Driver Privilege Escalation Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Windows Kernel Local Privilege Escalation Vulnerability.

The following remediation steps are recommended / required by May 3, 2022: Apply updates per vendor instructions.

Weakness Type

Incorrect Calculation of Buffer Size

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

Products Associated with CVE-2020-17087

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Microsoft Windows 10

Microsoft Windows 7

Microsoft Windows 8.1

Microsoft Windows Rt 8 1

Microsoft Windows Server 2008

Microsoft Windows Server 2012

Microsoft Windows Server 2016

Microsoft Windows Server 2019

Microsoft Windows 10 1803

Microsoft Windows 10 1909

Microsoft Windows Server 1909

Microsoft Windows Server 1903

Microsoft Windows Server 2004

Microsoft Windows Server 20h2

Microsoft Windows 10 1507

Microsoft Windows Server 2008 Sp2

Microsoft Windows Server 2008 R2

Microsoft Windows Server 2012 R2

Affected Versions

Microsoft Windows 10 Version 1803:

Version 10.0.0 and below publication is affected.

Microsoft Windows 10 Version 1809:

Version 10.0.0 and below publication is affected.

Microsoft Windows Server 2019:

Version 10.0.0 and below publication is affected.

Microsoft Windows Server 2019 (Server Core installation):

Version 10.0.0 and below publication is affected.

Microsoft Windows 10 Version 1909:

Version 10.0.0 and below publication is affected.

Microsoft Windows Server, version 1909 (Server Core installation):

Version 10.0.0 and below publication is affected.

Microsoft Windows 10 Version 1903 for 32-bit Systems:

Version 10.0.0 and below publication is affected.

Microsoft Windows 10 Version 1903 for x64-based Systems:

Version 10.0.0 and below publication is affected.

Microsoft Windows 10 Version 1903 for ARM64-based Systems:

Version 10.0.0 and below publication is affected.

Microsoft Windows Server, version 1903 (Server Core installation):

Version 10.0.0 and below publication is affected.

Microsoft Windows 10 Version 2004:

Version 10.0.0 and below publication is affected.

Microsoft Windows Server version 2004:

Version 10.0.0 and below publication is affected.

Microsoft Windows 10 Version 20H2:

Version 10.0.0 and below publication is affected.

Microsoft Windows Server version 20H2:

Version 10.0.0 and below publication is affected.

Microsoft Windows 10 Version 1507:

Version 10.0.0 and below publication is affected.

Microsoft Windows 10 Version 1607:

Version 10.0.0 and below publication is affected.

Microsoft Windows Server 2016:

Version 10.0.0 and below publication is affected.

Microsoft Windows Server 2016 (Server Core installation):

Version 10.0.0 and below publication is affected.

Microsoft Windows 7:

Version 6.1.0 and below publication is affected.

Microsoft Windows 7 Service Pack 1:

Version 6.1.0 and below publication is affected.

Microsoft Windows 8.1:

Version 6.3.0 and below publication is affected.

Microsoft Windows Server 2008 Service Pack 2:

Version 6.0.0 and below publication is affected.

Microsoft Windows Server 2008 Service Pack 2 (Server Core installation):

Version 6.0.0 and below publication is affected.

Microsoft Windows Server 2008 Service Pack 2:

Version 6.0.0 and below publication is affected.

Microsoft Windows Server 2008 R2 Service Pack 1:

Version 6.1.0 and below publication is affected.

Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation):

Version 6.0.0 and below publication is affected.

Microsoft Windows Server 2012:

Version 6.2.0 and below publication is affected.

Microsoft Windows Server 2012 (Server Core installation):

Version 6.2.0 and below publication is affected.

Microsoft Windows Server 2012 R2:

Version 6.3.0 and below publication is affected.

Microsoft Windows Server 2012 R2 (Server Core installation):

Version 6.3.0 and below publication is affected.

Exploit Probability

EPSS

17.83%

Percentile

95.04%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.