Description of the security update for Microsoft Office Viewers and Office Compatibility Pack: August 14, 2018

Applies to: PowerPoint ViewerExcel ViewerOffice Compatibility Pack Service Pack 3


This security update resolves vulnerabilities in Microsoft Office that could allow information disclosure if a user opens a specially crafted Office file. To learn more about these vulnerabilities, see Microsoft Common Vulnerabilities and Exposures CVE-2018-8378.

Note To apply this security update, you must have the release version of Microsoft Office Compatibility Pack Service Pack 3, Excel Viewer, or PowerPoint Viewer installed on a computer that is running Windows Embedded POSReady 2009.

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: August 14, 2018.

Security update replacement information

This security update replaces previously released security update KB 4018308.

File hash information

File name SHA1 hash SHA256 hash
mso2007-kb4022195-fullfile-x86-glb.exe 398DBA1B557453D93CF878E75281BAE36A3F5C28 B06FF801A8CCEB36E1F9E40F165B1EF963200575C64D537343C43B4EDB9C03B8


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 Microsoft Office Viewers and Office Compatibility Pack

File identifier File name File version File size Date Time
mso.dll mso.dll 12.0.6802.5000 17,214,680 24-Jul-2018 04:33

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