Microsoft Exchange Server Versions

Exchange Server 2003




Version Version (additional
zeros removed)
Q KB KB / Description Date Updated
6.5.7656.56.5.7656.5Q2628229KB26282292628229 October 2011 cumulative DST update for Exchange Server 2003 SP2October 14, 2011
6.5.7656.26.5.7656.2Q976702KB976702976702 MS10-024: Description of the security update for Exchange Server 2003 Service Pack 2: April 13, 2010April 13, 2010
6.5.7654.126.5.7654.12Q959239KB959239959239 MS09-003: Vulnerability in Microsoft Exchange could allow remote code executionFebruary 10, 2010
6.5.7654.116.5.7654.11Q960445KB960445960445 December 2008 cumulative daylight saving time (DST) update for Exchange Server 2003 SP2December 2, 2008
6.5.7654.46.5.7654.4Q956398KB956398956398 August 2008 cumulative daylight saving time (DST) update for Exchange Server 2003 SP2August 5, 2008
6.5.7653.336.5.7653.33Q951061KB951061951061 Description of the March 2008 special daylight saving time (DST) update release of Exchange Server 2003 Service Pack 2March 28, 2008
6.5.76386.5.7638Microsoft Exchange Server 2003 Service Pack 2 (SP2)October 19, 2005
6.5.72266.5.7226Microsoft Exchange Server 2003 Service Pack 1 (SP1)May 25, 2004
6.5.69442336.5.6944233Microsoft Exchange Server 2003 RTMSeptember 28, 2003

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