/vulndb/Microsoft Office Document

Microsoft Office Documents often contain hidden metadata like username, author name, company name, the name of the computer, which was used to create the document and so on.

An attacker can use this information to launch more targeted attacks.

Solution

Remove confidential data from document’s metadata sections.

References

http://office.microsoft.com/en-us/help/find-and-remove-metadata-hidden-information-in-your-legal-documents-HA001077646.aspx http://www.forensicswiki.org/wiki/Document_Metadata_Extraction#Office_Files