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-2018-8247.
Note To apply this security update, you must have the release version of Office Online Server installed on the computer.
How to get and install the update
Method 1: Microsoft Update Catalog
To get the stand-alone package for this update, go to the Microsoft Update Catalog website.
Method 2: 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.
Security update deployment information
For deployment information about this update, see security update deployment information: June 12, 2018.
Security update replacement information
This security update replaces previously released security update KB 4011023.
File hash information
|Package name||Package hash SHA 1||Package hash SHA 2|
For the list of files that cumulative update 4011026 contains, download the file information.