CVE-2005-2087: Internet Explorer 5.01 SP4 up to 6 on various Windows operating systems, including IE 6.0.2900.2180 on Wind...

Security readout for executives and security teams

This old Internet Explorer issue could let a malicious web page crash the browser and might allow code execution. It affects legacy IE 5.01 SP4 through IE 6-era systems. Microsoft reportedly could not reproduce the original report, so treat the code-execution claim as plausible but not fully confirmed from the provided evidence. Exposure is mainly organizations still running legacy Windows with Internet Explorer 5.01 SP4 through IE 6, especially where users can browse untrusted sites. Modern systems should have little practical exposure unless obsolete IE components remain operational. Prioritize this for legacy-technology risk reduction, not emergency response. If the business still depends on old IE or XP-era systems, treat those systems as high-risk assets and plan isolation or retirement. Mitigation focus: Identify any systems still using Internet Explorer 5.01 SP4 through IE 6.; Review and apply Microsoft guidance for advisory 903144 and MS05-037 where applicable.; Retire unsupported Windows and Internet Explorer versions from user browsing workflows..

Prepared

Jun 29, 2026, 19:30 UTC (UTC+00:00)

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