CVE:CVE-2012-2553
CNNVD:CNNVD-201211-232
kernel-mode是操作系统的核心部分，包括设备驱动程序都运行在该模式。
Microsoft Windows XP SP3、Windows Server 2003 SP2、Windows Vista SP2、Windows Server 2008 SP2、Windows 7 Gold和SP1版本中的内核模式驱动程序中的win32k.sys中存在释放后使用漏洞。本地攻击者利用该漏洞通过特制的应用程序获得特权，又名‘Win32k释放后使用漏洞’。
solution:Upgrade microsoft windows_7 to a higher version than -,-:sp1,and avoid the version -:sp1; Upgrade microsoft windows_server_2003 to a higher version than *:sp2,and avoid the version *:sp2; Upgrade microsoft windows_server_2008 to a higher version than *:sp2,and avoid the version *:sp2; Upgrade microsoft windows_vista to a higher version than -:sp2,and avoid the version -:sp2; Upgrade microsoft windows_xp to a higher version than *:sp3,and avoid the version *:sp3