Description of the security update for Office 2010: April 9, 2019

Summary

This security update resolves a remote code execution vulnerability that exists when Microsoft Office does not correctly handle certain files. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2019-0801.

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 What version of Office am I using?).

How to get and install the update

Method 1: Microsoft Update

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

Method 2: Microsoft Update Catalog

To get the standalone package for this update, go to the Microsoft Update Catalog website.

Method 3: Microsoft Download Center

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

• Download security update KB 4462223 for the 32-bit version of Office 2010
• Download security update KB 4462223 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: April 9, 2019.

Security update replacement information

This security update replaces previously released security update 4462174.

File hash information

File name	SHA1 hash	SHA256 hash
mso2010-kb4462223-fullfile-x64-glb.exe	483809984F5F5149869BC62AFD0890072D3D01E6	C8EE9CCEE616A76B24FD75F23BB42949AB1ABCF19AC6FEFD7315761E23B98181
mso2010-kb4462223-fullfile-x86-glb.exe	721E4273CFC26B5368EFA9125127D64D03A42BD4	4CBDBEC246E2716724FB9C4F0F7B08A389EE79E26FC1D432DB4715F1DB75E5B3

File informationThe 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.

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For all supported x86-based versions of Office 2010

File identifier	File name	File version	File size	Date	Time
mso.dll.x86	mso.dll	14.0.7232.5000	18,527,376	15-Mar-2019	12:57

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For all supported x64-based versions of Office 2010

File identifier	File name	File version	File size	Date	Time
mso.dll.x64	mso.dll	14.0.7232.5000	24,358,032	15-Mar-2019	01:07
mso.dll.x86	mso.dll	14.0.7232.5000	18,527,376	15-Mar-2019	12:57

How to get help and support for this security updateHelp for installing updates: Protect yourself online

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

Local support according to your country: International Support