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Title	Released	Popularity
Commercial Internet System (MCIS) 2.5 SP1 (Service Pack) (Windows NT 4.0) Download instructions for x86:MCIS 2.5 Service Pack 1 contains updates that have been made since the release of MCIS 2.5. When you install the service pack, the relevant updates are applied to the MCIS components installed on your computer.	2/17/2000	10261
Commercial Internet System (MCIS) 2.5 Download instructions for Alpha:MCIS 2.5 Service Pack 1 contains updates that have been made since the release of MCIS 2.5. When you install the service pack, the relevant updates are applied to the MCIS components installed on your computer.	2/17/2000	12682
Commercial Internet System (MCIS) Security Patch 5.5.1877: Malformed IMAP Request Vulnerability Microsoft has released a patch that eliminates a vulnerability in the Microsoft® Commercial Internet System (MCIS) Mail server. The vulnerability could allow a malicious user to remotely cause services on the server to fail, or cause arbitrary code to run on the server.	1/4/2000	13698
Commercial Internet System (MCIS) Security Patch 5.5.1877: Malformed IMAP Request Vulnerability Microsoft has released a patch that eliminates a vulnerability in the Microsoft® Commercial Internet System (MCIS) Mail server. The vulnerability could allow a malicious user to remotely cause services on the server to fail, or cause arbitrary code to run on the server.	1/4/2000	14976

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