Summary
This security update resolves Microsoft Office Excel Information Disclosure Vulnerability and Microsoft Office remote code execution vulnerability.To learn more about the vulnerabilities, see the following security advisories:
Microsoft Common Vulnerabilities and Exposures CVE-2026-81955.
Microsoft Common Vulnerabilities and Exposures CVE-2026-72974.
Note To apply this security update, you must have the release version of Office 2016 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: September 12, 2017.
Security update replacement information
This security update replaces previously released security update 3213551.
File hash information
| Package Name | SHA256 hash |
|---|---|
| conv2016-kb4011160-fullfile-x64-glb.exe | D155500A17E76DD91A6D4D5D3A473366AC760217BE33E6F57D29F6C3EB8F06DC |
| conv2016-kb4011160-fullfile-x86-glb.exe | 22C0D019B93F8CAC88DBB21D6256964AE870B2ED376C0A7035C8F3F4E80B2A27 |
File information
| The English version of this security update has the file attributes (or later file 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.
For all supported x86-based versions of Office 2016
For all supported x64-based versions of Office 2016
How to get help and support for this security update
Help for installing updates: Windows Update FAQ
Security solutions for IT professionals: Security Support and Troubleshooting
Help for protecting your Windows-based computer from viruses and malware: Microsoft Secure
Local support according to your country or region: International Support
Propose a feature or provide feedback on Office: Office User Voice portal