April 17, 2018 - KB4093113 (Preview of Monthly Rollup) Windows 7

April 17, 2018 - KB4093113 (Preview of Monthly Rollup)

Applies to: Windows 7 Service Pack 1, Windows Server 2008 R2 Service Pack 1

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Improvements and fixes

This non-security update includes improvements and fixes that were a part of KB4093118 (released April 10, 2018) and also includes these new quality improvements as a preview of the next Monthly Rollup update:

• Windows Update and WSUS will offer this update to applicable Windows client and server operating systems regardless of the existence or value of the "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\QualityCompat\cadca5fe-87d3-4b96-b7fb-a231484277cc" registry setting. This change has been made to protect user data.
• Addresses additional issues with updated time zone information.
• Addresses a stop error that occurred when the previous month’s update was applied to 32-bit (x86) computers with Physical Address Extension (PAE) mode disabled.

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

Known issues in this update

Symptom
After installing KB4056897 or any other recent monthly updates, SMB servers may leak memory when the requested path traverses a symbolic link, mount point, or directory junction and the registry key is set to 1:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\LanManServer\Parameters\EnableEcp

Workaround
Microsoft is working on a resolution and will provide an update in an upcoming release.

Symptom
A stop error occurs on computers that don't support Streaming Single Instructions Multiple Data (SIMD) Extensions 2 (SSE2).

Workaround
Microsoft is working on a resolution and will provide an update in an upcoming release.

How to get this update

This is provided as an Optional update on Windows Update. For more information about how to run Windows Update, see How to get an update through 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 4093113.

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