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entry for Security Update for Windows XP (KB928843)
. This critical security update for Windows XP addresses a vulnerability in the HTML Help ActiveX Control that could allow remote code execution.A remote code execution vulnerability exists in the HTML Help ActiveX control. An attacker could exploit the vulnerability by constructing a specially crafted Web page that could potentially allow remote code execution if a user visited that page. An attacker who successfully exploited this vulnerability could take complete control of an affected system.