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Release Date:

10/09/2019

Version:

Monthly Rollup

Improvements and fixes

This security update includes improvements and fixes that were a part of update KB4512499(released August 17, 2019) and addresses the following issues:

  • Provides protections against a new subclass of speculative execution side-channel vulnerabilities, known as Microarchitectural Data Sampling, for 32-Bit (x86) versions of Windows (CVE-2019-11091, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130). Use the registry settings as described in the Windows Server article. (These registry settings are enabled by default for Windows Server OS editions.)

  • Security updates to Windows App Platform and Frameworks, Windows Kernel, Windows Input and Composition, Windows Media, Windows Authentication, Windows Datacenter Networking, Windows Storage and Filesystems, the Microsoft JET Database Engine, and Windows Server .

For more information about the resolved security vulnerabilities, please refer to the Security Update Guide.

Known issues in this update

Microsoft is not currently aware of any issues with this update.

How to get this update

Before installing this update

Microsoft strongly recommends you install the latest servicing stack update (SSU) for your operating system before installing the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes. 

If you are using Windows Update, the latest SSU (KB4517134) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog

Install this update

Release Channel

Available

Next Step

Windows Update and Microsoft Update

Yes

None. This update will be downloaded and installed automatically from Windows Update.

Microsoft Update Catalog

Yes

To get the standalone package for this update, go to the Microsoft Update Catalog website.

Windows Server Update Services (WSUS)

Yes

This update will automatically synchronize with WSUS if you configure Products and Classifications as follows:

Product:  Windows Server 2008 Service Pack 2

Classification: Security Updates

File information

For a list of the files that are provided in this update, download the file information for update 4516026.

 

 

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