Severity Rating: Important - Revision Note: V1.0 (June 14, 2011): Bulletin published.Summary: This security update resolves a publicly disclosed vulnerability in the MHTML protocol handler in Microsoft Windows. The vulnerability could allow information disclosure if a user opens a specially crafted URL from an attacker's web site. An attacker would have to convince the user to visit the web site, typically by getting them to follow a link in an e-mail message or Instant Messenger message.

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