Description of the security update for Skype for Business 2016: May 9, 2017

Applies to: Skype for Business 2016


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-2017-0281.

Note To apply this security update, you must have the release version of Skype for Business 2016 installed on the computer.

How to get and install the update

Method 1: Microsoft Update

Method 2: Microsoft Update Catalog

Method 3: Microsoft Download Center

More Information

Security update deployment information

For deployment details for this security update, go to the following article in the Microsoft Knowledge Base:

Security update deployment information: May 9, 2017

Security update replacement information

This security update replaces previously released security update 3178656.

File hash information

Package name Package hash SHA 1 Package hash SHA 2
lync2016-kb3191858-fullfile-x86-glb.exe 266EAE3B37BE94C50D8750BDB4FCA0CDA036549B 95031F5DFD78026E78B2D15B6A0BFFDECC735B4C1FBC71E7EC63FBCED88EA363
lync2016-kb3191858-fullfile-x64-glb.exe EEAAB1FBA1F06EB5A4553A8CCB0E9F476849B442 F08E19DC75E0F030D12AF5F2FFA5BE7EDDB00B4B275896E3573E176AA9675F38

File information

How to get help and support for this security update