Description of the security update for Office Web Apps Server 2013: October 12, 2021 (KB5002036)

Summary

This security update resolves a Microsoft Excel information disclosure vulnerability, Microsoft Excel remote code execution vulnerability, and Microsoft Word remote code execution vulnerability. To learn more about the vulnerabilities, see the following security advisories:

• Microsoft Common Vulnerabilities and Exposures CVE-2021-40472
• Microsoft Common Vulnerabilities and Exposures CVE-2021-40474
• Microsoft Common Vulnerabilities and Exposures CVE-2021-40486

**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.

• Download security update 5002036 for the 64-bit version of Office Web Apps Server 2013

More information

Security update deployment information

For deployment information about this update, see Security update deployment information: October 12, 2021 (KB5006940).

Security update replacement information

This security update replaces previously released security update 5002009.

File hash information

File name	SHA256 hash
WacServer2013-kb5002036-fullfile-x64-glb.exe	9F3B1909334A867E031619808231680AF7B5A4615969ECB40C28EC99C41BA3C2

File information

Download the list of files that are included in security update 5002036.

Information about protection and security

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