The printing functionality in Microsoft Internet Explorer 8 allows remote attackers to discover a local pathname, and possibly a local username, by reading the dc:title element of a PDF document that was generated from a local web page.
osvdb.org/60504
secunia.com/advisories/37362
securethoughts.com/2009/11/millions-of-pdf-invisibly-embedded-with-your-internal-disk-paths/
www.securityfocus.com/archive/1/508010/100/0/threaded
www.theregister.co.uk/2009/11/23/internet_explorer_file_disclosure_bug/
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12355