05.149.2003 - MS03-013: Buffer Overrun in Windows Kernel Message Handling could Lead to Elevated Privileges (811493)

There is a flaw in the way the kernel passes error messages to a debugger. A vulnerability results because an attacker could write a program to exploit this flaw and run code of their choice. An attacker could exploit this vulnerability to take any action on the system including deleting data, adding accounts with administrative access, or reconfiguring the system. Applies to Windows NT 4.0, Windows NT 4.0 Terminal Server Edition, Windows 2000, Windows XP *Update: You May Experience Performance Issues After You Install the 811493. See Microsoft Knowledge Base Article - 819634 for additional information - Reason for Revision - Microsoft re-issued this bulletin on May 28, 2003 to advise on the availability of an updated Windows XP Service Pack 1 patch. This revised patch corrects the performance issues that some customers experienced with the original Windows XP Service Pack 1 patch. - View Microsoft Security Bulletin MS03-013 - View Microsoft End User Security Bulletin - View Microsoft Knowledge Base Article - 811493 - Visit Microsoft Corporation