Description of the security update for Outlook 2013: September 12, 2017

Applies to: Microsoft Office 2013 Service Pack 1


There is a Microsoft Office update for defense-in-depth updates to help improve security-related features. To learn more about the vulnerability, see Microsoft advisory ADV170015.

Note To apply this security update, you must have the release version of Service Pack 1 for Microsoft Office 2013 installed on the computer.

Improvements and fixes

This security update contains improvements and fixes for the following nonsecurity issues:
  • Third-party MAPI application may freeze at shutdown.

How to get and install the update

Method 1: Microsoft Update

This update is available from Microsoft Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to get security updates automatically, see Windows Update: FAQ.

Method 2: Microsoft Update Catalog

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

Method 3: Microsoft Download Center

You can get the stand-alone update package through the Microsoft Download Center. Follow the installation instructions on the download page to install the update.

More Information

Security update deployment information

For deployment information about this update, see security update deployment information: September 12, 2017.

Security update replacement information

This security update replaces the previously released update 4011078.

File hash information

Package Name Package Hash SHA 1 Package Hash SHA 2
outlook2013-kb4011090-fullfile-x86-glb.exe 2B85B47AEC65C63B1096D53292133E7DF646E971 D46E2BF9E1F750CB85CCE9938DB84C75791EC22EF1B8F9F149CDF5267465586E
outlook2013-kb4011090-fullfile-x64-glb.exe 138B94A649480A125D0EEB0E9AEEB30AD52B7A67 81E9C7832A4AE439905859C29134F3835C19E30D2B21E3D30AD7B90C730BDA08

File information

How to get help and support for this security update

Help for installing updates: Windows Update FAQ

Security solutions for IT professionals: 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

Propose a feature or provide feedback on Office: Office User Voice portal