CVE-2001-0339: Internet Explorer 5.5 and earlier allows remote attackers to display a URL in the address bar that is diffe...

Security readout for executives and security teams

This is an old Internet Explorer web spoofing issue. A malicious page could make the browser show one URL in the address bar while displaying content from another location, enabling convincing phishing or brand impersonation. It is primarily relevant where Internet Explorer 5.5 or earlier still exists. Exposure is limited to endpoints using Internet Explorer 5.5 or earlier. Most modern environments should have little direct exposure, but legacy kiosks, embedded desktops, unmanaged lab systems, or archived virtual machines may still warrant checking. Treat this as a legacy hygiene issue unless affected browsers remain in production. If they do, prioritize removal because spoofing undermines user trust decisions and can support phishing against sensitive workflows. Mitigation focus: Inventory endpoints for Internet Explorer 5.5 or earlier.; Remove or retire affected legacy browser installations.; Review Microsoft MS01-027 for vendor-specified remediation guidance..

Prepared

Jul 1, 2026, 08:44 UTC (UTC+00:00)

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