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
Maximum Severity Rating: Critical
The patch for this vulnerability was not included in theWindows XP SP1 package.