MicrosoftKB5002103Description of the security update for Office Web Apps Server 2013: December 14, 2021 (KB5002103)
Description of the security update for Office Web Apps Server 2013: December 14, 2021 (KB5002103)
Summary
This security update resolves a Microsoft Excel remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2021-43256.
**Note:**To apply this security update, you must have the release version of Service Pack 1 for Microsoft Office Web Apps Server 2013 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 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: December 14, 2021 (KB5008541).
Security update replacement information
This security update replaces previously released security update 5002065.
File hash information
| File name | SHA256 hash |
|---|---|
| WacServer2013-kb5002103-fullfile-x64-glb.exe | 5C5AAE472AF19A576039CEDEB359D6720BE2911D79F77C3768A20823590C246E |
File information
Download the list of files that are included in security update 5002103.
Information about protection and security
Protect yourself online: Windows Security supportLearn how we guard against cyber threats: Microsoft Security
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