Secunia

A vulnerability has been reported in Microsoft Office, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to an error in the Brazilian Portuguese grammar checker and can be exploited to corrupt memory by tricking a user into opening a specially crafted Office document.

Successful exploitation allows execution of arbitrary code.

Solution
Apply patches.
Further details available in Customer Area

Provided and/or discovered by
Reported by the vendor.

Original Advisory
MS07-001 (KB921585):
http://www.microsoft.com/technet/security/Bulletin/MS07-001.mspx

Deep Links
Links available in Customer Area