Description of the security update for Office 2010: January 12, 2021

Summary

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-2021-1711.

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

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.

• Download security update 4493143 for the 32-bit version of Office 2010
• Download security update 4493143 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: January 12, 2021.

Security update replacement information

This security update replaces previously released security update 4484534.

File hash information

File name	SHA1 hash	SHA256 hash
ace2010-kb4493143-fullfile-x86-glb.exe	6497406A9A27B64F4CCDE555EF542A26B8ABF3C2	ECA70D8019DE07649FF6135929E858255652CDA94002016554356BB5AFAC1846
ace2010-kb4493143-fullfile-x64-glb.exe	2818B5BAE6C4CAC28E0D606F48DE7220ABAEDAD7	9573362F5DE91A6A574A0FDDA7D43708C2C8D469101221D91C1A99F30E514AE8

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
acacedao.dll	acedao.dll	14.0.7248.5000	554,208	14-Apr-2020	01:03
acecore.dll	acecore.dll	14.0.7264.5000	1,851,592	17-Dec-2020	03:25
acedao.dll	acedao.dll	14.0.7248.5000	554,208	14-Apr-2020	01:03
aceerr.dll	aceerr.dll	14.0.7248.5000	46,296	14-Apr-2020	01:03
acees.dll	acees.dll	14.0.7248.5000	660,704	14-Apr-2020	01:03
aceexch.dll	aceexch.dll	14.0.7248.5000	344,800	14-Apr-2020	01:03
aceexcl.dll	aceexcl.dll	14.0.7256.5000	657,136	13-Aug-2020	06:29
aceodbc.dll	aceodbc.dll	14.0.7248.5000	288,984	14-Apr-2020	01:03
aceoddbs.dll	aceoddbs.dll	14.0.7005.1000	15,536	11-Sep-2018	03:00
aceodexl.dll	aceodexl.dll	14.0.7005.1000	15,536	11-Sep-2018	03:00
aceodtxt.dll	aceodtxt.dll	14.0.7005.1000	15,528	11-Sep-2018	03:00
aceoledb.dll	aceoledb.dll	14.0.7248.5000	387,288	14-Apr-2020	01:03
acer3x.dll	acer3x.dll	14.0.7248.5000	339,912	14-Apr-2020	01:03
acerclr.dll	acerclr.dll	14.0.7248.5000	55,224	14-Apr-2020	01:03
acerep.dll	acerep.dll	14.0.7248.5000	537,824	14-Apr-2020	01:03
acetxt.dll	acetxt.dll	14.0.7248.5000	231,136	14-Apr-2020	01:03
acexbe.dll	acexbe.dll	14.0.7248.5000	372,960	14-Apr-2020	01:03
expsrv.dll	expsrv.dll	6.1.1643	454,800	11-Sep-2018	03:13
vbajet32.dll	vbajet32.dll	6.1.1643	50,328	11-Sep-2018	03:13

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For all supported x64-based versions of Office 2010

File identifier	File name	File version	File size	Date	Time
acacedao.dll	acedao.dll	14.0.7248.5000	743,648	14-Apr-2020	01:02
acecore.dll	acecore.dll	14.0.7264.5000	2,647,240	17-Dec-2020	03:26
acedao.dll	acedao.dll	14.0.7248.5000	743,648	14-Apr-2020	01:02
aceerr.dll	aceerr.dll	14.0.7248.5000	50,904	14-Apr-2020	01:02
acees.dll	acees.dll	14.0.7248.5000	947,936	14-Apr-2020	01:02
aceexch.dll	aceexch.dll	14.0.7248.5000	452,312	14-Apr-2020	01:02
aceexcl.dll	aceexcl.dll	14.0.7256.5000	912,096	13-Aug-2020	06:29
aceodbc.dll	aceodbc.dll	14.0.7248.5000	353,504	14-Apr-2020	01:02
aceoddbs.dll	aceoddbs.dll	14.0.7005.1000	16,536	11-Sep-2018	03:00
aceodexl.dll	aceodexl.dll	14.0.7005.1000	16,536	11-Sep-2018	03:00
aceodtxt.dll	aceodtxt.dll	14.0.7005.1000	16,536	11-Sep-2018	03:00
aceoledb.dll	aceoledb.dll	14.0.7248.5000	531,672	14-Apr-2020	01:02
acer3x.dll	acer3x.dll	14.0.7248.5000	462,560	14-Apr-2020	01:02
acerclr.dll	acerclr.dll	14.0.7248.5000	65,760	14-Apr-2020	01:02
acerep.dll	acerep.dll	14.0.7248.5000	701,664	14-Apr-2020	01:02
acetxt.dll	acetxt.dll	14.0.7248.5000	307,936	14-Apr-2020	01:02
acexbe.dll	acexbe.dll	14.0.7248.5000	512,728	14-Apr-2020	01:02
expsrv.dll	expsrv.dll	6.1.1643	520,336	11-Sep-2018	03:13
vbajet32.dll	vbajet32.dll	6.1.1643	50,840	11-Sep-2018	03:13

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