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Security Update, June 22, 2001

This update resolves the "NetMeeting Desktop Sharing" security vulnerability in Windows 2000, and is discussed in Microsoft Security Bulletin MS00-077. Download now to prevent a malicious user from denying or interrupting NetMeeting® conferencing software services.

When Remote Desktop Sharing is turned on, NetMeeting does not handle a particular kind of malformed input string correctly, when the input string is sent from a client. If an affected computer receives this malformed data, it can cause NetMeeting to stop responding and temporarily drive Central Processing Unit (CPU) usage to 100 percent, resulting in the loss of any session in progress.

Note This is an updated version of Security Update, October 17, 2000. If you installed the earlier version of the update, you should still download this update to eliminate all known variants of the vulnerability.

For more information about this vulnerability, read Microsoft Security Bulletin MS00-077. (This site is in English.)

System Requirements
This update applies to Windows 2000.

How to use
Restart your computer to complete the installation.

How to uninstall

1. Click Start, point to Settings and then click Control Panel.
2. Double-click Add/Remove Programs.
3. Select Windows 2000 Hotfix (Pre-SP3) [See Q299796 for more information], and then click Change/Remove to uninstall.

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