Zero Day Initiative Advisory 09-056 - This vulnerability allows attackers to execute arbitrary code on vulnerable installations of Microsoft Office. User interaction is required to exploit this vulnerability in that the target must visit a malicious page. The specific vulnerability exists in the OWC10.Spreadsheet.10 ActiveX control installed by Microsoft Office. By accessing specific methods in a certain order heap corruption occurs leading to remote code execution. If exploited, complete control of the affected system can be achieved under the rights of the currently logged in user.
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