Directory traversal vulnerability in the TS WebProxy (aka TSWbPrxy) component in Microsoft Windows Vista SP2, Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to gain privileges via a crafted pathname in an executable file, as demonstrated by a transition from Low Integrity to Medium Integrity, aka "Directory Traversal Elevation of Privilege Vulnerability."
https://exchange.xforce.ibmcloud.com/vulnerabilities/99516
https://exchange.xforce.ibmcloud.com/vulnerabilities/99515
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-004