Description of the security update for Office 2010: January 9, 2018

Summary

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 the vulnerabilities, go to the following Common Vulnerabilities and Exposures (CVE).

• CVE-2018-0793
• CVE-2018-0794
• CVE-2018-0797
• CVE-2018-0798
  Note To apply this security update, you must have the release version of Service Pack 2 for Office 2010 installed on the computer.Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2010. It doesn’t apply to the Office 2010 Click-to-Run editions, such as Microsoft Office 365 Home (see Determining your Office version).

Improvements and fixes

This security update contains improvements for the following nonsecurity issue:

• This update improves Office application startup performance by skipping unnecessary scanning of Microsoft Word documents that are local and not encrypted.

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.

• Download the security update KB4011658 for the 32-bit version of Office 2010
• Download the security update KB4011658 for the 64-bit version of Office 2010

More Information

Security update deployment information

For deployment information about this update, see security update deployment information: January 9, 2018.

Security update replacement information

This security update replaces previously released security update KB 4011612.

File hash information

Package Name	Package Hash SHA 1	Package Hash SHA 2
kb24286772010-kb4011658-fullfile-x64-glb.exe	468DAF67DD116C0160F032A7EEA8A65408FD0A4F	094558A4C758C284DEB5B2B51013E4D88F5A20F9ADE37664913CB8BE9778B45D
kb24286772010-kb4011658-fullfile-x86-glb.exe	25663248758EC352F13B6DE45584E0F2D74645B4	477143BAFE297251D4F12185F8F477351F7F25B4254EDA96D0752D428A39AB4B

File information

The English version of this security update has the file attributes (or later file 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.

For all supported x86-based versions of Office 2010

File identifier	File name	File version	File size	Date	Time
wwlibcxm.dll	wwlibcxm.dll	14.0.7192.5000	19,047,584	15-Dec-2017	03:56

For all supported x64-based versions of Office 2010

File identifier	File name	File version	File size	Date	Time
wwlibcxm.dll	wwlibcxm.dll	14.0.7192.5000	24,536,744	15-Dec-2017	11:17

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