Bulletin Severity Rating:Important - This security update resolves a publicly reported vulnerability in supported versions of Windows Messenger. As a result of this vulnerability, scripting of an ActiveX control could allow information disclosure in the context of the logged-on user. An attacker could change state, get contact information, and initiate audio and video chat sessions without the knowledge of the logged-on user. An attacker could also capture the userâ??s logon ID and remotely log on to the userâ??s Messenger client impersonating that user.
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