Sep 2021: Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
CVE-2021-38638 Published on September 15, 2021

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

NVD

Weakness Type

Improper Privilege Management

The software does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

Products Associated with CVE-2021-38638

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2021-38638 are published in these products:

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 Server 2022

Microsoft Windows 10 1909

Microsoft Windows 10 21h1

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 1809:

Version 10.0.0 and below 10.0.17763.2183 is affected.

Microsoft Windows Server 2019:

Version 10.0.0 and below 10.0.17763.2183 is affected.

Microsoft Windows Server 2019 (Server Core installation):

Version 10.0.0 and below 10.0.17763.2183 is affected.

Microsoft Windows 10 Version 1909:

Version 10.0.0 and below 10.0.18363.1801 is affected.

Microsoft Windows 10 Version 21H1:

Version 10.0.0 and below 10.0.19043.1237 is affected.

Microsoft Windows Server 2022:

Version 10.0.0 and below 10.0.20348.230 is affected.

Microsoft Windows 10 Version 2004:

Version 10.0.0 and below 10.0.19041.1237 is affected.

Microsoft Windows Server version 2004:

Version 10.0.0 and below 10.0.19041.1237 is affected.

Microsoft Windows 10 Version 20H2:

Version 10.0.0 and below 10.0.19042.1237 is affected.

Microsoft Windows Server version 20H2:

Version 10.0.0 and below 10.0.19042.1237 is affected.

Microsoft Windows 10 Version 1507:

Version 10.0.0 and below 10.0.10240.19060 is affected.

Microsoft Windows 10 Version 1607:

Version 10.0.0 and below 10.0.14393.4651 is affected.

Microsoft Windows Server 2016:

Version 10.0.0 and below 10.0.14393.4651 is affected.

Microsoft Windows Server 2016 (Server Core installation):

Version 10.0.0 and below 10.0.14393.4651 is affected.

Microsoft Windows 7:

Version 6.1.0 and below 6.1.7601.25712 is affected.

Microsoft Windows 7 Service Pack 1:

Version 6.1.0 and below 6.1.7601.25712 is affected.

Microsoft Windows 8.1:

Version 6.3.0 and below 6.3.9600.20120 is affected.

Microsoft Windows Server 2008 Service Pack 2:

Version 6.0.0 and below 6.0.6003.21218 is affected.

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

Version 6.0.0 and below 6.0.6003.21218 is affected.

Microsoft Windows Server 2008 Service Pack 2:

Version 6.0.0 and below 6.0.6003.21218 is affected.

Microsoft Windows Server 2008 R2 Service Pack 1:

Version 6.1.0 and below 6.1.7601.25712 is affected.

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

Version 6.0.0 and below 6.1.7601.25712 is affected.

Microsoft Windows Server 2012:

Version 6.2.0 and below 6.2.9200.23462 is affected.

Microsoft Windows Server 2012 (Server Core installation):

Version 6.2.0 and below 6.2.9200.23462 is affected.

Microsoft Windows Server 2012 R2:

Version 6.3.0 and below 6.3.9600.20120 is affected.

Microsoft Windows Server 2012 R2 (Server Core installation):

Version 6.3.0 and below 6.3.9600.20120 is affected.

Exploit Probability

EPSS

0.36%

Percentile

57.47%