Microsoft » Windows Server 2003 : Security Vulnerabilities, CVEs, Published In February 2015 (Memory corruption)

win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows local users to gain privileges or cause a denial of service (NULL pointer dereference) via a crafted application, aka "Win32k Elevation of Privilege Vulnerability."