Microsft Bulletin: MS18-01-OFF-KB4011606 displayed as Installed in Compliance Reports; however, Microsoft Update Tool displayed vulnerable status.
Confirmed Client's scan output was displaying Effectively Installed
Rule logic targeting for Installed=TRUE required modification in order to match change from the vendor.
Patch Management 7.5.x, 7.6.x and 8.x
This issue was resolved in PMImport 7.2.134 release on 2/6/18.
Open the Console > Home > Patch Management; Windows > Settings > MetaData Import Task; New Schedule, enable Now and click Schedule to execute: