MS.Windows.NtApphelpCacheControl.Privilege.Elevation

Description

This indicates an attack attempt against a Privilege Elevation vulnerability in Microsoft Windows.
The vulnerability is caused by an error in NtApphelpCacheControl system call when handling the caller's impersonation token. It allows a remote attacker to run arbitrary executables on vulnerable systems.

Affected Products

Windows 7
Windows Server 2008 R2
Windows 8 and Windows 8.1
Windows Server 2012 and Windows Server 2012 R2
Windows RT and Windows RT 8.1
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Windows Server 2012 (Server Core installation)
Windows Server 2012 R2 (Server Core installation)

Impact

Privilege Escalation: Remote attackers can elevate their privileges on vulnerable systems.

Recommended Actions

Apply the most recent upgrade or patch from the vendor.
http://technet.microsoft.com/security/bulletin/MS15-001

References