Some vulnerabilities have been reported in Microsoft Excel, which can be exploited by malicious people to compromise a user's system.

1) An unspecified calculation error when handling version-related information can be exploited to corrupt memory via a specially crafted Excel file.

2) An error in the validation of the number of active worksheets can be exploited to corrupt memory via a specially crafted Excel file.

3) An error when validating the beginning of file attributes associated with workspace information can be exploited via a specially crafted Excel file.

Successful exploitation of the vulnerabilities may allow execution of arbitrary code.

NOTE: Additional unspecified security issues discovered internally by Microsoft have also been reported.

Solution
Apply patches.
Further details available in Customer Area

Provided and/or discovered by
Reported by the vendor.

Changelog
Further details available in Customer Area

Original Advisory
MS07-036 (KB936542):
http://www.microsoft.com/technet/security/Bulletin/MS07-036.mspx

Deep Links
Links available in Customer Area