Revision Note: V2.0 (June 9, 2009): Advisory updated to reflect publication of security bulletin.
Summary: Microsoft has completed the investigation into a public report of this vulnerability. We have issued MS09-020 to address this issue. For more information about this issue, including download links for an available security update, please review MS09-020. The vulnerability addressed is the IIS 5.1 and 6.0 WebDAV Authentication Bypass Vulnerability - CVE-2009-1535.

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