Windows Exploit Suggester - https://github.com/GDSSecurity/Windows-Exploit-Suggester

Quickly find missing patches

• https://github.com/rasta-mouse/Sherlock
• https://pentestlab.blog/2017/04/24/windows-kernel-exploits/

Check for misconfigurations - https://github.com/PowerShellMafia/PowerSploit/tree/master/Privesc

Standalone Executable - https://github.com/pentestmonkey/windows-privesc-check

Collection of Techniques - http://www.slideshare.net/riyazwalikar/windows-privilege-escalation