Tuesday, July 14, 2009

Microsoft warns of new Office Web Components vulnerability

Microsoft issued an advisory Monday, warning of a new vulnerability in Office Web Components being actively targeted by attackers.The Office Web Components allow users to view spreadsheets, charts and databases on the Web. Microsoft said the vulnerability is in the Spreadsheet ActiveX Control, which is used by Internet Explorer (IE) to display the data in the browser. It is remotely exploitable when a person browses with IE and visits a malicious website. If successfully exploited, an attacker could gain the same user rights as the local user and gain complete control of a system, Microsoft said.

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