Description of the security update for Office 2013: May 8, 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 Microsoft Common Vulnerabilities and Exposures ADV170017.

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

Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2013. It doesn't apply to the Office 2013 Click-to-Run editions, such as Microsoft Office 365 Home (see Determining your Office version).

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: May 8, 2018.

Security update replacement information

This security update replaces the previously released update KB 3172524.

File hash information

Package name Package hash SHA 1 Package hash SHA 2
osetup2013-kb4011254-fullfile-x64-glb.exe B31296BB0A96AD5C46C0BE18D88F60A46EDB905C 5759E8E2E8A9295862F685286ED1517CA8E1058EF1B595C995B21A314AE618E1
osetup2013-kb4011254-fullfile-x86-glb.exe 2767D0E868C199880BBBC4A9D929D6D21BDC8C08 14BC2F15931A3D1B79105A1E233B6D348BD155C290F731AEB507BC66B5559465

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.

For all supported x86-based versions of Office 2013

File identifier File name File version File size Date Time
osetup.dll osetup.dll 15.0.5031.1000 7505592 11-Apr-18 03:51

For all supported x64-based versions of Office 2013

File identifier File name File version File size Date Time
osetup.dll osetup.dll 15.0.5031.1000 9483448 11-Apr-18 03:53

How to get 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

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