Microsoft Security Bulletin MS99-043 - Critical
Published: October 18, 1999 | Updated: November 17, 1999
Originally Posted: October 18, 1999
Re-released: November 17, 1999
On October 18, 1999, Microsoft released the original version of this bulletin, in order to advise customers of a workaround for a vulnerability in Microsoft® Internet Explorer. The vulnerability could allow a malicious web site operator to read files on the computer of a user who visited the site, under certain circumstances. Microsoft has completed a patch that completely eliminates the vulnerability, and has re-released this bulletin in order to advise customers of its availability.
Frequently asked questions regarding this vulnerability can be found at http://www.microsoft.com/technet/security/bulletin/fq99-043.mspx.
Affected Software Versions
- Microsoft Internet Explorer 4.01 and 5.
Vulnerability Identifier: CVE-1999-0793
NOTE: The IE 4.01 patch requires IE 4.01 SP2 in order to install. IE 4.01 SP 2 is available at http://www.microsoft.com/windows/downloads/ie/getitnow.mspx.
NOTE: The patch will be available shortly via the WindowsUpdate site. When this happens, we will modify this bulletin to provide additional information.
Please see the following references for more information related to this issue.
- Microsoft Security Bulletin MS99-043: Frequently Asked Questions, http://www.microsoft.com/technet/security/bulletin/fq99-043.mspx.
- Microsoft Security web site, http://www.microsoft.com/technet/security/default.mspx.
NOTE: It may take 24 hours from the original posting of this bulletin for the KB articles to be visible.
Obtaining Support on this Issue
This is a fully supported patch. Information on contacting Microsoft Technical Support is available at http://support.microsoft.com/contactussupport/?ws=support.
- October 18, 1999: Bulletin Created.
- November 17, 1999: Bulletin re-released to provide information on availability of patch.
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