Summary
To learn more about the vulnerability, see ADV180008.
More Information
Important
All security and nonsecurity updates for Windows Server 2012 R2, Windows 8.1, and Windows RT 8.1 require the installation of update KB 2919355. We recommend that you install update KB 2919355 on your Windows Server 2012 R2-based, Windows 8.1-based, or Windows RT 8.1-based computer so that you receive future updates.
If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.
This update applies to the Windows operating systems that are listed in the "Summary" section of this article. If you want to install the Adobe Flash Player update on an earlier version of Windows, try Adobe Flash Player download.
How to obtain and install the update
Method 1: Windows Update
Method 2: Microsoft Update Catalog
Deployment information
For deployment details for this security update, see the following article in the Microsoft Knowledge Base:
Windows Server version 1803 and Windows 10 version 1803 file information
File information
The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.
Windows Server version 1803 and Windows 10 version 1803 file information
Windows 10 Version 1709 and Windows Server Version 1709 file information
File information
The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.
Windows 10 Version 1709 and Windows Server Version 1709 file information
Windows 10 Version 1703 file information
File information
The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.
Windows 10 Version 1703 file information
Windows 10 Version 1607 and Windows Server 2016 file information
File information
The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.
Windows 10 Version 1607 and Windows Server 2016 file information
Windows 10 (RTM) file information
File information
The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.
Windows 10 (RTM) file information
Windows 8.1, Windows RT 8.1 and Windows Server 2012 R2 file information
File information
The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.
Windows 8.1, Windows RT 8.1 and Windows Server 2012 R2 file information
The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.
Windows Server 2012 file information
File information
The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.
Windows Server 2012 file information
The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.