Microsoft Excel contains a vulnerability in the handling of malformed COLINFO records, which may allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable system.
Microsoft Excel contains a vulnerability that could be exploited when Excel opens a specially crafted document. The vulnerability is caused by incorrect handling of malformed COLINFO records. This vulnerability affects both Windows and Mac versions of Excel.
By convincing a user to open a specially crafted Excel document, an attacker could execute arbitrary code with the privileges of the user running Excel. If the user is logged in with administrative privileges, the attacker could take complete control of a vulnerable system. This vulnerability may also cause Excel to crash.
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This vulnerability is addressed in Microsoft Security Bulletin MS06-059.
Do not open untrusted Excel documents
This vulnerability was reported by Microsoft, who in turn credit the NSFocus Security Team.
This document was written by Will Dormann.
|Date First Published:||2006-10-10|
|Date Last Updated:||2007-02-27 19:35 UTC|