Heap-based buffer overflow in Microsoft Outlook 2002 SP3, 2003 SP3, and 2007 SP2, when Online Mode for an Exchange Server is enabled, allows remote attackers to execute arbitrary code via a crafted e-mail message, aka "Heap Based Buffer Overflow in Outlook Vulnerability."

Microsoft Office Outlook 2002 SP3, 2003 SP3, and 2007 SP1 and SP2 does not properly verify e-mail attachments with a PRATTACHMETHOD property value of ATTACHBYREFERENCE, which allows user-assisted remote attackers to execute arbitrary code via a crafted message, aka "Microsoft Outlook SMB Attachment Vulnerability."