MS02-050: Certificate Validation Flaw Could Enable Identity Spoofing (Q328145)

This patch eliminates a security vulnerability associated with the validation of digital certificate chains. Before installing it, customers should review the Caveats section of this bulletin, which discusses a known side effect of installing the patch. Updated patches are under development to eliminate this side effect.

    Affected Software:
  • Microsoft Windows 98
  • Microsoft Windows 98 Second Edition
  • Microsoft Windows Me
  • Microsoft Windows NT® 4.0
  • Microsoft Windows NT 4.0, Terminal Server Edition
  • Microsoft Windows 2000
  • Microsoft Windows XP
  • Microsoft Office for Mac
  • Microsoft Internet Explorer for Mac
  • Microsoft Outlook Express for Mac
Impact of vulnerability: Identity spoofing.

Maximum Severity Rating: Critical

View: Microsoft TechNet - Security Bulletin ID MS02-050 for patch availability

The patch for this vulnerability was not included in theWindows XP SP1 package.

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