[root@salt salt]# salt 'server.domain.tld' win_update.list_updates
server2.domain.tld:
[root@salt salt]# salt 'server.domain.tld' grains.get saltversion
lansweeper.monroeclinic.org:
2015.8.7
[root@salt salt]# salt 'server.domain.tld' win_update.list_updates
server2.domain.tld:
There are 11 updates, by category there are:
Update Rollups: 3
Windows Server 2008 R2: 11
Security Updates: 7
Updates: 1