Microsoft Excel malformed parsing format file memory corruption vulnerability

ID VU:339878
Type cert
Reporter CERT
Modified 2006-03-14T00:00:00



Microsoft Excel contains a memory corruption vulnerability. This vulnerability may allow a remote attacker to execute arbitrary code on a vulnerable system.


Microsoft Excel fails to properly validate parsing format files. When a file with a malformed parsing format files is opened in Excel, system memory can be corrupted in a way that may allow an attacker to execute arbitrary code.

More information is available in MS06-012


A remote unauthenticated attacker may be able to execute arbitrary code.


Apply a patch from your vendor
Microsoft addresses this vulnerability with the updates listed in Microsoft Security Bulletin MS06-012

Do not access Excel files from untrusted sources

By only accessing Excel files, such as spreadsheets, from trusted or known sources, the chances of exploitation are reduced.

Systems Affected

Vendor| Status| Date Notified| Date Updated
Microsoft Corporation| | -| 14 Mar 2006
If you are a vendor and your product is affected, let us know.

CVSS Metrics

Group | Score | Vector
Base | N/A | N/A
Temporal | N/A | N/A
Environmental | N/A | N/A


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This issue was reported in Microsoft Security Bulletin MS06-012 . Microsoft credits TippingPoint and the Zero Day Initiative with providing information regarding these issues.

This document was written by Jeff Gennari.

Other Information

  • CVE IDs: CVE-2006-0028
  • Date Public: 14 Mar 2006
  • Date First Published: 14 Mar 2006
  • Date Last Updated: 14 Mar 2006
  • Severity Metric: 22.50
  • Document Revision: 11