Description of the security update for Outlook 2010: October 9, 2018

Applies to: Microsoft 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 Security Advisory ADV180026.

Note To apply this security update, you must have the release version of Service Pack 2 for Office 2010 installed on the computer.

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: October 9, 2018.

Security update replacement information

This security update replaces previously released security update KB 4032222.

File hash information

Package name SHA1 hash SHA256 hash
outlookloc2010-kb4227170-fullfile-x64-glb.exe 21C0BE16EB05449DC2989E82DBBABC15B72E05F0 A2B4D020F64CFB18FFC16E4C80EB51C4425A06957E081F7AB309A95A42185629
outlookloc2010-kb4227170-fullfile-x86-glb.exe 2A47B59B42C3FC2E446F7E7025A95FFF8164FD44 74C504C93A692597A6742F05BEDBBC966A978085E92722EE76F2A07AA115855D

File information

The 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.

How to get help and support for this security update

Help for installing updates: Protect yourself online 

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

Local support according to your country: International Support