Why is MS16-072 not being found by GFI LanGuard

Answer

MS16-072 is not included in LANSS Content Updates because it has the potential to break group policy per Microsoft's Known Issues found here:
https://support.microsoft.com/en-us/kb/3163622

For information on deploying this via a Custom Software Deployment please see this link:
http://manuals.gfi.com/en/languard/content/acm/topics/remediating_vulnerabilities/deploying_custom_software.htm

NOTE: Before installing this via Custom Software Deployment, it is highly recommended the following be consulted:
https://blogs.technet.microsoft.com/askds/2016/06/22/deploying-group-policy-security-update-ms16-072-kb3163622