June 12, 2007Microsoft released the June Security Update on June 12, 2007. Six bulletins were released that address 15 individual vulnerabilities. Microsoft rated five vulnerabilities in Internet Explorer and one in Windows Mail for Microsoft Windows Vista as Critical. These vulnerabilities may allow an attacker to execute arbitrary code. Microsoft has also released updates for two common Windows APIs, Schannel and Win32, that also allow for code execution. However, in each instance, attackers rely on user interaction, and no exploit code exists publicly. These factors reduce the potential for exploitation. Lower impact vulnerabilities, rated Moderate and Important, exist in Microsoft Visio, Outlook Express, and Windows Mail.
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