Microsoft Windows 98 Update: Share Level Password logo

Microsoft Windows 98 Update: Share Level Password

By Microsoft Free
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Developer's Description

This update resolves the "Windows Share Level Password" vulnerability in Windows 98. If a computer that is linked to a network has File and Print Sharing enabled, and has at least one password-protected folder shared, it may be possible for a user on the network to gain unauthorized access to the folder. This vulnerability exists because of the way the password feature of share level access is implemented for computers running Windows 98 and Windows 98 Second Edition. A malicious user can exploit this vulnerability and use a special client utility to gain access to a share without knowing the entire password, and may be able to retrieve, modify, or delete any file within that share. Download now to prevent unauthorized access to files that are shared over a network that uses share level security.

Note: A computer is only vulnerable if it has File and Print Sharing enabled, and has password-protection enabled for at least one shared folder.

Windows 98 incorporates peer-to-peer networking capabilities that allow you to share files and folders on a network or within a workgroup. You must enable the File and Print Sharing service and change the properties of a folder in order to create a folder share, and make the folder accessible to others on the network.

Share level security requires users on a network to enter a password to gain access to a shared folder.

For more information about this vulnerability, please read Microsoft Knowledge Base (KB) Article Q273991.

Full Specifications

What's new in version Update


Release August 25, 2008
Date Added January 4, 2001
Version Update

Operating Systems

Operating Systems Windows, Windows 98, Windows 2000, Windows XP
Additional Requirements
  • Windows NT 4 SP 6
  • Windows 2003 SP 1
  • Windows XP AMD 64-bit
  • Windows XP 64-bit SP 1
  • Windows NT 4 SP 2
  • Windows 2000 SP 1
  • Windows 2003 64-bit
  • Windows 2003 AMD 64-bit
  • Windows XP 64-bit SP 2
  • Windows NT 4 SP 3
  • Windows 2000 SP 2
  • Windows Server 2003 x64 R2
  • Windows 2000
  • Windows 2003 64-bit SP 1
  • Windows Vista AMD 64-bit
  • Windows XP Itanium 64-bit
  • Windows NT 4 SP 4
  • Windows 2000 SP 3
  • Windows NT 4
  • Windows XP 32-bit
  • Windows XP SP 1
  • Windows Server 2003 x86 R2
  • Windows ME
  • Windows 2003 Itanium 64-bit
  • Windows NT 4 SP 5
  • Windows 2000 SP 4
  • Windows Vista 32-bit
  • Windows XP 64-bit
  • Windows NT 4 SP 1
  • Windows Server 2008 x64
  • Windows NT 3
  • Windows Server 2008 x86
  • Windows XP
  • Windows Server 2008
  • Windows 2003
  • Windows Vista Itanium 64-bit
  • Windows XP Itanium 64-bit SP 1
  • Windows 2003 32-bit
  • Windows XP Itanium 64-bit SP 2
  • Windows XP SP 2
  • Windows 95
  • Windows 98
  • Windows Vista
  • Windows NT
  • Windows 2003 Itanium 64-bit SP 1
  • Windows XP Pro
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