Description of the security update for Skype for Business 2015 (Lync 2013): June 13, 2017

Applies to: Microsoft Lync 2013Skype for Business


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-2017-0283.

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

More information

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 does not replace any previously released update.

File hash information

Package name Package hash SHA 1 Package hash SHA 2
lynchelploc2013-kb3191937-fullfile-x86-glb.exe 905A2BD8CA276EF29F2B65045FAAFB9AACB6F65B E5E8D7C5D3F69065B8C6DBF40680248F839E55607D57E9FE5A61C3A40748B779
lynchelploc2013-kb3191937-fullfile-x64-glb.exe A32CDD621127AF5377A838058132935D6755973A 9415E31D4F634741F9320FB1ADAE12F796848C042B4E55254ED42C6FCDB90604


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