This indicates an attack attempt to exploit a Privilege Escalation vulnerability in MS Windows.
This vulnerability is caused by an error when Windows Graphics Component handles a malformed menu object. A remote attacker may be able to exploit this to leverage their privileges on vulnerable systems.
Windows RT 8.1
Windows Server 2008
Windows Server 2008 R2
Windows Server 2012
Windows Server 2012 R2
Windows Server 2016
Privilege Escalation: Remote attackers can leverage their privilege on the vulnerable systems
Apply the most recent upgrade or patch from the vendor