Description of the security update for Excel 2010: November 12, 2019

Applies to: Microsoft Office 2010 Service Pack 2Excel 2010


This security update resolves an information disclosure vulnerability that exists if Microsoft Excel incorrectly discloses the contents of its memory. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2019-1446 and Microsoft Common Vulnerabilities and Exposures CVE-2019-1448.

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 Home and Student 2010 (see What version of Office am I using?).

Known issues in this security update

After you install this update, you receive the following error message when you restrict permissions within a workbook or open a workbook that has Information Rights Management (IRM) applied: 

When this issue occurs, no changes are made to the file.

To fix this issue, install update 4484196.

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 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.

More information

Security update deployment information

For deployment information about this update, see security update deployment information: November 12, 2019.

Security update replacement information

This security update replaces previously released security update 4484130.

File hash information

File name SHA1 hash SHA256 hash
excel2010-kb4484164-fullfile-x86-glb.exe 2D38D7514D9A6249E683227A5C8BD39DE2B16525 7D653524E4B5D6BB9296A30A41142D076F7A288C34355ACB13CE0DEC009F9E81
excel2010-kb4484164-fullfile-x64-glb.exe 4350A991AA91F51AF4ECA1D6815F8EF61780BF62 5352BBD1C0A91D2628FD5CBFA5032FAD74EDB6346E91FF2E7D40FC5DA5064C1D

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 Security

Local support according to your country: International Support