Summary
This update resolves a vulnerability in the Microsoft Exchange Outlook Web Access (OWA). The vulnerability could allow remote code execution in Exchange Server if an attackersends an email that includes a specially crafted attachment to a vulnerable Exchange server. To learn more about this vulnerability, see Microsoft Security Bulletin MS17-015. Important
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All future security and nonsecurity updates for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 require update 2919355 to be installed. We recommend that you install update 2919355 on your Windows RT 8.1-based, Windows 8.1-based, or 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 article may contain known issue information.
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4012178 MS17-015: Description of the security update for Exchange Server 2016 and Exchange Server 2013: March 14, 2017
Security update deployment information
Microsoft Exchange Server 2013
Reference table
The following table contains the security update information for this software.
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Inclusion in future service packs |
The update for this issue will be included in a future service pack or update rollup. |
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Security update file name |
For Microsoft Exchange Server 2013 Service Pack 1 and Microsoft Exchange Server 2013 Cumulative Update 14:Exchange2013-KB4012178-x64-en.msp |
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Installation switches |
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Restart requirement |
In some cases, this update does not require a system restart. If the required files are being used, this update will require a system restart. If this behavior occurs, you receive a message that advises you to restart your system. |
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Update log file |
KB4012178.log |
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Removal information |
Use the Add or Remove Programs item in Control Panel. |
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File information |
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Registry key verification |
For supported editions of Microsoft Exchange Server 2013: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Exchange 2013\KB4012178 |
Microsoft Exchange Server 2016
Reference table
The following table contains the security update information for this software.
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Inclusion in future service packs |
The update for this issue will be included in a future service pack or update rollup. |
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Security update file name |
For Microsoft Exchange Server 2016 Cumulative Update 3:Exchange2016-KB4012178-x64-en.msp |
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Installation switches |
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Restart requirement |
In some cases, this update does not require a system restart. If the required files are being used, this update will require a system restart. If this behavior occurs, you receive a message that advises you to restart your system. |
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Update log file |
KB4012178.log |
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Removal information |
Use the Add or Remove Programs item in Control Panel. |
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File information |
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Registry key verification |
For supported editions of Microsoft Exchange Server 2016: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Exchange 2016\KB4012178 |
How to obtain help and support for this security update
Help for installing updates: Windows Update FAQ Security solutions for IT professionals: TechNet Security Support and Troubleshooting Help for protecting your Windows-based computer from viruses and malware: Microsoft Secure Local support according to your country: International Support
