Add or Remove Programs entry for Windows XP için Güvenlik Güncelleþtirmesi (KB917422). This critical security update for Windows XP addresses vulnerabilities in the Windows Kernel that could allow remote code execution.

UserProfile Elevation of Privilege Vulnerability: There is a privilege elevation vulnerability in the way that Windows 2000 starts applications. This vulnerability could allow a logged on user to take complete control of the system.
Unhandled Exception Vulnerability: There is a remote code execution vulnerability in the way that exception handling is managed on multiple applications that are resident in memory.