CVE-2017-0129
Microsoft Lync for Mac 2011 fails to properly validate certificates, allowing remote attackers to alter server-client communications, aka "Microsoft Lync for Mac Certificate Validation Vulnerability."
Date published : 2017-03-16
http://www.securityfocus.com/bid/96752
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0129