This security update resolves two privately reported vulnerabilities in Microsoft Visio. The vulnerabilities could allow remote code execution if a user opens a specially crafted Visio file. An attacker who successfully exploited this vulnerability could gain the same user rights as the logged-on user. 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 Important for all supported editions of Microsoft Visio 2003, Microsoft Visio 2007, and Microsoft Visio 2010. The security update addresses the vulnerabilities by correcting the way that Microsoft Visio validates objects in memory when parsing specially crafted Visio files.
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