Description of the security update for Outlook 2010: November 13, 2018

Applies to: Outlook 2010Microsoft Office 2010 Service Pack 2


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 CVE-2018-8522, Microsoft Common Vulnerabilities and Exposures CVE-2018-8524, Microsoft Common Vulnerabilities and Exposures CVE-2018-8576, and Microsoft Common Vulnerabilities and Exposures CVE-2018-8582.
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).

Known issues in this security update

After  you install the 64-bit version of this security update, Outlook may crash on start-up.

To resolve this issue, install update 4461585.

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: November 13, 2018.

Security update replacement information

This security update replaces previously released security update KB 4227170.

File hash information
File name SHA1 hash SHA256 hash
outlookloc2010-kb4461529-fullfile-x86-glb.exe CEEB103DCB7E750B7F0A6390585DFD2167B73766 5C7535E87F7D3012FCAFE92DC73AB8254C66BD27B1050B3F9B92B94FD98E5897
outlookloc2010-kb4461529-fullfile-x64-glb.exe ADB45520A744A0818B9EB08A93EA06E8B6352C9F B158420E97AECBEBF8A7C82EFCFF92081FE52BFA7A283725E2795B629CA7A7BF
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.

How to get help and support for this security update

Protect yourself online and at home: Windows Security support
Help for protecting your Windows-based computer from viruses and malware: Microsoft Secure
Local support according to your country: International Support