Updated: July 14, 2020 (April 18, 2005)

Apr. 2005 Software Update Summary

Michael analyzed and wrote about Microsoft's operating systems, including the Windows client OS, as well as compliance and governance. Michael... more

Eight updates, five critical and three important, were issued Apr. 12, 2005. All of the vulnerabilities could allow an attacker to take control of an unpatched computer. For some of the affected software, the April bulletin may replace an existing bulletin.

Critical Bulletins

Bulletin (KB Article)	Vulnerability	Affected Software	Replaces Bulletin(s)¹
MS05-019: Vulnerabilities in TCP/IP Could Allow Remote Code Execution and Denial of Service (893066)	Remote code execution Denial of service	Microsoft Windows 2000 SP 3 and SP 4 Windows XP^2,3 SP 1 and SP 2 Windows Server 2003⁴
MS05-020: Cumulative Security Update for Internet Explorer (890923)	Remote code execution	IE 5.01 SP 3 and SP 4 IE 5.5 SP 2 IE 6 IE 6 SP 1	MS05-014
MS05-021: Vulnerability in Exchange Server Could Allow Remote Code Execution (894549)	Remote code execution	Exchange 2000 Server SP 3 Exchange Server 2003 Exchange Server 2003 SP 1

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