CVE-2012-0157

win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly handle window messaging, which allows local users to gain privileges via a crafted application that calls the PostMessage function, aka "PostMessage Function Vulnerability."

Date published : 2012-03-13

http://www.us-cert.gov/cas/techalerts/TA12-073A.html

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-018