CVE-2003-0718: The WebDAV Message Handler for Internet Information Services (IIS) 5.0, 5.1, and 6.0 allows remote attacker...

Security readout for executives and security teams

This is a denial-of-service issue in Microsoft IIS WebDAV. A remote attacker could make an affected IIS server consume excessive CPU and memory or crash the application by sending malformed XML in a WebDAV request. The business impact is service disruption, not data theft, based on the provided sources. Exposure is most likely on systems still running IIS 5.0, 5.1, or 6.0 with WebDAV reachable by untrusted clients, especially public web servers using WebDAV functionality. Prioritize legacy internet-facing IIS servers because this can cause outages. Treat as moderate urgency unless critical business services depend on exposed WebDAV or patch status is unknown. Mitigation focus: Review and apply Microsoft MS04-030 guidance for affected IIS versions.; Confirm applicable patch status using vendor or OVAL detection content.; Restrict untrusted access to WebDAV where business use is required..

Prepared

Jun 30, 2026, 02:24 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.