The kernel in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, and Windows 7 SP1 allows local users to gain privileges via a crafted application, aka "Windows Elevation of Privilege Vulnerability."
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-0040
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-014