Outlook 2003, when replying to an e-mail message, stores certain files in a predictable location for the "src" of an img tag of the original message, which allows remote attackers to bypass zone restrictions and exploit other issues that rely on predictable locations, as demonstrated using a shell: URI.

Microsoft Outlook 2003 allows remote attackers to bypass the default zone restrictions and execute script within media files via a Rich Text Format (RTF) message containing an OLE object for the Windows Media Player, which bypasses Media Player's setting to disallow scripting and may lead to unprompted installation of an executable when exploited in conjunction with predictable-file-location exposures such as CVE-2004-0502.

Directory traversal vulnerability in the web viewers for Business Objects Crystal Reports 9 and 10, and Crystal Enterprise 9 or 10, as used in Visual Studio .NET 2003 and Outlook 2003 with Business Contact Manager, Microsoft Business Solutions CRM 1.2, and other products, allows remote attackers to read and delete arbitrary files via ".." sequences in the dynamicimag argument to crystalimagehandler.aspx.

Unknown versions of Internet Explorer and Outlook allow remote attackers to spoof a legitimate URL in the status bar via A HREF tags with modified "alt" values that point to the legitimate site, combined with an image map whose href points to the malicious site, which facilitates a "phishing" attack.

Microsoft email clients in Outlook, Exchange, and Windows Messaging automatically respond to Read Receipt and Delivery Receipt tags, which could allow an attacker to flood a mail system with responses by forging a Read Receipt request that is redirected to a large distribution list.

The Microsoft Active Setup ActiveX component in Internet Explorer 4.x and 5.x allows a remote attacker to install software components without prompting the user by stating that the software's manufacturer is Microsoft.