Description of the security update for Outlook 2013: October 9, 2018

Applies to: Microsoft Office 2013 Service Pack 1


This security update resolves vulnerabilities in Microsoft Office that could allow remote code execution if a user opens a specially crafted Office file. To learn more about these vulnerabilities, see Security Advisory ADV180026.

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:

  • In some cases, the message body of an attached email message is not displayed correctly. For example, after you apply the update KB 4011078, the content in the message body of the attached email message becomes plain text when Outlook 2013 is configured for Exchange online.

  • When the message body of an email message includes a text line that begins with a space and exceeds 988 octets, Outlook fails to upload the message to the IMAP server.

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: October 9, 2018.

Security update replacement information

This security update replaces previously released security update KB 4032240.

File hash information

Package name SHA1 hash SHA256 hash
outlook2013-kb4092477-fullfile-x64-glb.exe 67D7B63610A539959EC8A85565F2C29F1A037E50 034EAFF8E2E1A64D48D7610C3AB01EEE7FAE503CC593ADF52C766CA951F4FCA4
outlook2013-kb4092477-fullfile-x86-glb.exe 8547C9A775CAD16184EC0FC0CCE9E3B812EABA44 8CC63067D488777F228FEC37C7DD30752CCEC67BE05005AE98BDD5A6A2FF59C1

File information

The English (United States) version of this software update installs files that have the attributes that are listed in the following table. 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.

How to get help and support for this security update

Help for installing updates: Protect yourself online 

Help for protecting your Windows-based computer from viruses and malware: Microsoft Secure

Local support according to your country: International Support