Microsoft released an emergency Security Bulletin on July 6, 3/29: Dynamic Cursor (ANI) security vulnerability.
Http://www.microsoft.com/technet/security/advisory/935423.mspx this security vulnerability is the most serious security level. Microsoft's security bulletin states that this security vulnerability allows attackers to create a web page that exploits this vulnerability. As long as the user accesses this webpage, it will be infected. Attackers can send a malicious HTML email. Once you open/preview this email, it will be infected. This security vulnerability is stored
In all Windows systems, including Windows Vista.Microsoft will release a formal security patch for this security vulnerability in 4/3 tomorrow. Due to the severity of this security vulnerability, we have found many malicious Web Pages Based on China (. cn). You must install this security patch. Microsoft's Security Center blog site: http://blogs.technet.com/msrc/default.aspx has more detailed information.