Welcome to the Virus Encyclopedia of Panda Security.
The kernel is the core of the operating system and provides basic services for all other parts of the operating system. Win32k.sys is a kernel-mode device driver and is the kernel part of the Windows subsystem.
If exploited successfully, MS10-048 would allow to gain unauthorized privileges on a computer or network. An example of privilege elevation would be an unprivileged user who could manage to be added to the Administrator's group. In such case, the hacker could take complete control of the system: create, modify or delete files, install programs, create new user accounts, etc. It could also cause the system to stop responding until it is restarted.
MS10-048 usually exploited by running a specially crafted program in the vulnerable computer. In order to do so, a hacker must be able to log on locally to the system.
If you have a Windows 2008/7/Vista/2003/XP computer, it is recommended to download and apply the security patch for this vulnerability. Click here to access the web page for downloading the patch.
Bear in mind that this security patch replaces a previous one, called MS10-032.
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