Secunia Research has discovered a vulnerability in Microsoft Excel, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to an error when validating an index value in the rtWnDesk record and can be exploited to corrupt memory via a specially crafted Excel Workspace (XLW) file.

Successful exploitation may allow execution of arbitrary code.

Other unspecified security issues discovered internally by Microsoft have also been reported.

Solution
Apply patches.
Further details available to Secunia VIM customers

Provided and/or discovered by
Dyon Balding, Secunia Research.

Original Advisory
MS07-044 (KB940965):
http://www.microsoft.com/technet/security/Bulletin/MS07-044.mspx

Deep Links
Links available to Secunia VIM customers