This update resolves the "Unchecked Buffer in Remote Access Service Phonebook Could Lead to Code Execution" security vulnerability in Windows 2000. This vulnerability is the result of an unchecked buffer in the Remote Access Service (RAS) Phonebook. Download now to eliminate this vulnerability by instituting proper input checking on the RAS phonebook entries. This item has been updated since it was released. If you have already installed this item, Microsoft recommends that you install it again. This item has been updated since it was released. If you have already installed this item, Microsoft recommends that you install it again.

For more information about this issue, read the associated Microsoft Security Bulletin. (This site is in English.)

1. Click Start, point to Settings, and then click Control Panel.
2. Double-click Add/Remove Programs.
3. Select Windows 2000 (Pre-SP3) [See Q318138 for more information], and then click Change/Remove to uninstall.