Microsoft Corporation has released on August 12, 2008, as part of a regular routine, a monthly security update cycle; there were eleven new security updates. One of these updates are related to vulnerability in Microsoft Excel named MS08-043, code (KB 954066). Please keep in mind that this security update replaces the following security update: 946974 (http://support.microsoft.com/kb/946974/) MS08-014: Description of the security update for Excel 2007: March 11, 2008. According to Microsoft instructions and explanations this security update resolves four privately reported vulnerabilities in Microsoft Office Excel that could allow remote code execution if a user opens a specially crafted Excel file. An attacker who successfully exploited these vulnerabilities could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.
This security update is rated Critical and is urgent to make your update as soon as possible. This update will affect the following files: Excel.exe (executable file) and a primordial library (Xlcall32.dll). Please take note and make your updates. It is better to do your Microsoft Office updates automatically via the menu of Windows updates to avoid waste of time. Otherwise you will have to apply via email or via chat for this critical update; this will be done in Remote Code Execution. When you have configured your updates automatically, these updates are done very easy!
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