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-2017-8509.
Note To apply this security update, you must have the release version of Office 2016 installed on the computer.
Improvements and fixes
- Improve Japanese era calendar.
- Correct the month lengths for Chinese Lunar years from 2019 to 2050.
Security update deployment information
For deployment information about this update, see security update deployment information: June 13, 2017.
Security update replacement information
This security update replaces previously released security update KB3178703.
File hash information
|Package Name||Package Hash SHA 1||Package Hash SHA 2|
How to get help and support for this security update
Help for installing updates: Windows Update FAQ
Security solutions for IT professionals: TechNet Security Support and Troubleshooting
Help for protecting your Windows-based computer from viruses and malware: Microsoft Secure
Local support according to your country: International Support
Propose a feature or provide feedback on Office Core: Office User Voice portal