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January 4, 2018—KB4056896 (Monthly Rollup)


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Improvements and fixes

This security update includes improvements and fixes that were a part of update KB4054520 (released December 12, 2017) and addresses the following issues:

  • Security updates to Windows SMB Server, Windows Kernel, Windows Datacenter Networking, Windows Graphics, and Internet Explorer.

For more information about the resolved security vulnerabilities, see the Security Update Guide.

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Known issues in this update

Symptom Workaround

When calling CoInitializeSecurity, the call will fail if passing RPC_C_IMP_LEVEL_NONE under certain conditions.

When calling CoInitializeSecurity, the call may fail when passing RPC_C_AUTHN_LEVEL_NONE as the authentication level. The error returned on failure is STATUS_BAD_IMPERSONATION_LEVEL.

This issue is resolved in KB4057402.

 

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How to get this update

This update will be downloaded and installed automatically from Windows Update. To get the standalone package for this update, go to the Microsoft Update Catalog website.

File information

For a list of the files that are provided in this update, download the file information for update 4056896.

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Keywords: Windows Server 2012, windows embedded 8 standard

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Article Info
Article ID : 4056896
Revision : 18
Created on : 8/22/2018
Published on : 8/22/2018
Exists online : False
Views : 343

Minor Releases