CVE-2003-0814: Internet Explorer 6 SP1 and earlier allows remote attackers to bypass zone restrictions and execute Javascr...

Security readout for executives and security teams

CVE-2003-0814 is an old Internet Explorer flaw where a malicious web page could bypass browser zone restrictions and run JavaScript in a context it should not control. It matters mainly for organizations with legacy Internet Explorer 6 SP1 or earlier still in use. Exposure is likely limited to legacy Windows environments, embedded systems, or business applications that still require Internet Explorer 6 SP1 or earlier. Modern browsers are not identified as affected in the supplied sources. Prioritize this if legacy Internet Explorer remains in production. For modern fleets, urgency is lower, but any confirmed dependency on IE 6 should trigger remediation planning because the browser is far beyond normal support expectations. Mitigation focus: Identify and retire Internet Explorer 6 SP1 or earlier wherever possible.; Review Microsoft MS03-048 for the vendor-provided fix and applicability.; Block legacy Internet Explorer from accessing untrusted web content..

Prepared

Jun 30, 2026, 07:43 UTC (UTC+00:00)

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