Microsoft Crypto API 5.131.2600.2180 through 6.0, as used in Outlook, Windows Live Mail, and Office 2007, performs Certificate Revocation List (CRL) checks by using an arbitrary URL from a certificate embedded in a (1) S/MIME e-mail message or (2) signed document, which allows remote attackers to obtain reading times and IP addresses of recipients, and port-scan results, via a crafted certificate with an Authority Information Access (AIA) extension.

Unspecified vulnerability in Microsoft Visio 2002 SP2, 2003 SP2 and SP3, and 2007 up to SP1 allows user-assisted remote attackers to execute arbitrary code via a Visio file containing crafted object header data, aka "Visio Object Header Vulnerability."

Unspecified vulnerability in Microsoft Visio 2002 SP2, 2003 SP2 and SP3, and 2007 up to SP1 allows user-assisted remote attackers to execute arbitrary code via a crafted .DXF file, aka "Visio Memory Validation Vulnerability."