Welcome to the Virus Encyclopedia of Panda Security.
It is a vulnerability in Windows Kernel on Windows 2000 computers, which allows hackers to gain local elevation of privilege.
MS05-055 is not categorized as virus, worm, Trojan or backdoor. It is an important vulnerability in Windows Kernel in 2000 computer, which allows local privilege elevation in the vulnerable computer.
If exploited successfully, MS05-055 allows 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.
This vulnerability is exploited by running an 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 2000 computer, it is recommendable to download and apply the security patch for this vulnerability. Click here to access the web page for downloading the patch.
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