By Gregg Keizer
June 11, 2010
Microsoft on Thursday confirmed that Windows XP and Windows Server 2003
contain an unpatched bug that could be used to infect PCs by duping
users into visiting rigged Web sites or opening attack e-mail.
The company said it has seen no active in-the-wild attacks exploiting
The bug in Windows' Help and Support Center -- a component that lets
users access and download Microsoft help files from the Web -- doesn't
properly parse the "hcp" protocol handler, Microsoft said in an advisory
issued Thursday afternoon. Attackers can leverage the vulnerability by
enticing users to malicious or hacked Web sites, or by convincing them
to open malformed e-mail messages.
Windows Vista, Windows 7, Windows Server and Windows Server 2008 R2 are
not vulnerable to the attack.
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