Summary
This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow remote code execution if an attacker sends specially crafted requests to a DNS server.
To learn more about the vulnerability, see Microsoft Security Bulletin MS16-071.
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Important
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This security update is only applicable to Windows-based servers that have the DNS server role installed.
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All future security and non-security updates for Windows Server 2012 R2 require update 2919355 to be installed. We recommend that you install update 2919355 on your Windows Server 2012 R2-based computer so that you receive future updates.
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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.
Additional information about this security update
The following article contains additional information about this security update as it relates to individual product versions. The articles may contain known issue information.
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3161951 MS16-071: Description of the security update for DNS Server: June 14, 2016
How to obtain and install the update
Method 1: Windows Update
This update is available through Windows Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to turn on automatic updating, see
Get security updates automatically.
You can obtain the stand-alone update package through the Microsoft Download Center. Follow the installation instructions on the download page to install the update.
Click the download link in Microsoft Security Bulletin MS16-071 that corresponds to the version of Windows that you are running.
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Windows Server 2012 and Windows Server 2012 R2 (all editions)Reference Table
The following table contains the security update information for this software.
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Security update file name |
For all supported editions of Windows Server 2012: |
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For all supported editions of Windows Server 2012 R2: |
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Installation switches |
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Restart requirement |
A system restart is required after you apply this security update. |
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Removal information |
To uninstall an update installed by WUSA, use the /Uninstall setup switch or click Control Panel, click System and Security, click Windows Update, and then under See also, click Installed updates and select from the list of updates. |
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File information |
Help for installing updates: Support for Microsoft Update
Security solutions for IT professionals: TechNet Security Troubleshooting and Support
Help for protecting your Windows-based computer from viruses and malware: Virus Solution and Security Center
Local support according to your country: International Support
