Windows 7/8.1: Updates KB4056894, KB4056895 released

Windows UpdateMicrosoft has released Monthly Rollup Update KB4056894 for Windows 7/Windows Server 2008 R2 SP1. And also Monthly Rollup Update KB4056895 for Windows 8.1/Server 2012 R2 is available.


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Rollup Update KB4056894 for Windows 7/Windows Server 2008 R2 SP1

On January 4, 2017, Microsoft released update KB4056894 (Monthly Rollup for Windows Server 2008 R2 Service Pack 1, Windows 7 Service Pack 1). I was offered this on my Windows 7 machine on January 5th.

Update KB4056894 (Windows 7)

Maybe Microsoft has brought the update forward and waived the emergency patch from the day before (which was not offered to me). The description refers to the fact that a security problem has been detected and indicates the following changes:

Security updates to Windows SMB Server, Windows Kernel, Microsoft Graphics Component, Internet Explorer, and Windows Graphics.

But these are the same changes that update KB4056897 (Security-only update) lists. Whether further improvements have been made in the rollup is not specified. Also for this update, the topic Virus scanner including registry entry is also included as issue (see Microsoft’s kb article).

KB4056895 (Monthly Rollup) for Windows 8.1/Windows Server 2012 R2

Update KB4056895 (Monthly Rollup for Windows 8.1 and Windows Server 2012 R2) addresses the following topcis.


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

There are two known errors with this update: When CoInitializeSecurity is called, the call fails if RPC_C_IMP_LEVEL_NONE is passed under certain conditions. Microsoft is working on this problem, but has no solution yet.

Please also note that this update is only available if the installed antivirus solution has been customized by the vendor and the registry entry specified in the kb article has been set. Also note that the package (opposite the KB-description) is currently not available in the Microsoft Update Catalog (the link is broken).

Similar articles:
Critical Security Updates for Windows 7/8.1/Server (01/03/2018)
Windows 10: Critical Updates (01/03/2018)
Critical Updates for Windows and Browser (01/03/2018)
Microsoft releases Windows 10 Patch to fix Intel Bug


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