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Article ID: 168485 - Last Review: February 23, 2007 - Revision: 6.2

Update Available for Cross-Frame Security Issue

This article was previously published under Q168485
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SUMMARY

Microsoft has released an update that addresses a potential security issue with the implementation of cross-frame security in Microsoft Internet Explorer. Additional information about this issue is available from the following Microsoft Web sites:

Updates are available for the following products:

  • Microsoft Internet Explorer 4.01 for Windows 95 and Windows NT 4.0 (x86 and Alpha)
  • Microsoft Windows 98
  • Microsoft Internet Explorer 4.01 for Windows 3.1 and Windows NT 3.51
  • Microsoft Internet Explorer 4.01 for Macintosh
This issue may enable a malicious Web site administrator to read files from a remote computer by circumventing the safeguards that Microsoft has implemented with regard to scripts interacting with other instances of Internet Explorer. Note that Microsoft has not received reports of adverse effects due to this issue.

MORE INFORMATION

Update Information by Product:

NOTE: If you are using Internet Explorer 3.x or 4.0, you must install Internet Explorer 4.01 in order to apply this update. You can install Internet Explorer 4.01 with Service Pack 1 from the following Microsoft Web site:
http://www.microsoft.com/windows/ie/downloads/default.mspx (http://www.microsoft.com/windows/ie/downloads/default.mspx)
Microsoft Internet Explorer 4.01 and 4.01 with Service Pack 1 for Windows 95:
Update File Name: ie4jsn.exe
Availability: http://www.microsoft.com/windows/ie/security/default.mspx (http://www.microsoft.com/windows/ie/security/default.mspx)
   Updated File Name    Size (bytes)   Date       Version
   ------------------------------------------------------------
   Mshtml.dll           2,413,840      9-02-98    4.72.3509.100

				
Microsoft Internet Explorer 4.01 and 4.01 with Service Pack 1 for Windows NT 4.0 x86:
Update File Name: ie4jsn.exe
Availability: http://www.microsoft.com/windows/ie/security/default.mspx (http://www.microsoft.com/windows/ie/security/default.mspx)
   Updated File Name    Size (bytes)   Date       Version
   ------------------------------------------------------------
   Mshtml.dll           2,413,328      9-02-98    4.72.3509.100
				
Microsoft Internet Explorer 4.01 and 4.01 with Service Pack 1 for Windows NT 4.0 Alpha:
Availability: http://www.microsoft.com/windows/ie/security/default.mspx (http://www.microsoft.com/windows/ie/security/default.mspx)
   Updated File Name    Size (bytes)   Date       Version
   ------------------------------------------------------------
   Mshtml.dll           3,937,552      9-02-98    4.72.3509.200
				
Windows 98:
Update File Name: ie4jsn.exe
Availability: Microsoft Windows Update
   Updated File Name    Size (bytes)   Date       Version
   ------------------------------------------------------------
   Mshtml.dll           2,413,840      9-02-98    4.72.3509.100
				
Microsoft Internet Explorer 4.01 for Windows 3.1 and Windows NT 3.51:
Update File Name: 2758.exe
Availability: http://www.microsoft.com/windows/ie/security/default.mspx (http://www.microsoft.com/windows/ie/security/default.mspx)
   Updated File Name    Size (bytes)   Date       Version
   ------------------------------------------------------------
   Mshtml16.dll         3,084,160      9-02-98    4.01.2509.200
   Urlmon16.dll           351,280      9-02-98    4.01.2509.201
				

APPLIES TO
  • Microsoft Internet Explorer 1.0
  • Microsoft Internet Explorer 2.0
  • Microsoft Internet Explorer 3.0
  • Microsoft Internet Explorer 3.01
  • Microsoft Internet Explorer 3.02
  • Microsoft Internet Explorer 4.0 128-Bit Edition
  • Microsoft Internet Explorer 4.01 128-Bit Edition
  • Microsoft Internet Explorer 5.0
  • Microsoft Internet Explorer 5.01
  • Microsoft Internet Explorer 5.5
  • Microsoft Internet Explorer 3.2
  • Microsoft Windows 98 Standard Edition
  • Microsoft Internet Explorer 2.0 for Macintosh
  • Microsoft Internet Explorer 2.1 for Macintosh
  • Microsoft Internet Explorer 3.0 for Macintosh
  • Microsoft Internet Explorer 4.0 for Macintosh
  • Microsoft Internet Explorer 4.01 for Macintosh
  • Microsoft Internet Explorer 4.5 for Macintosh
  • Microsoft Internet Explorer 5.0 for Macintosh
  • Microsoft Internet Explorer 2.01
  • Microsoft Internet Explorer 2.1
  • Microsoft Internet Explorer 3.1
  • Microsoft Internet Explorer 4.5 128-Bit Edition
  • Microsoft Internet Explorer 1.5
  • Microsoft Internet Explorer 3.03 for Windows NT 3.51
Keywords: 
kbenv kbinfo kbweb KB168485
Retired KB ArticleRetired KB Content Disclaimer
This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.

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