CVE-2003-1027: Microsoft Ie

High severity, CVSS 10.0. EPSS: 38.1% chance of exploitation in the next 30 days.

Internet Explorer 5.01 through 6 SP1 allows remote attackers to direct drag and drop behaviors and other mouse click actions to other windows by using method caching (SaveRef) to access the window.moveBy method, which is otherwise inaccessible, as demonstrated by HijackClickV2, a different vulnerability than CVE-2003-0823, aka the "Function Pointer Drag and Drop Vulnerability."

Affected products

• Microsoft Ie: version 6.0 only
• Microsoft Internet Explorer: version 5.0 only; version 5.0.1 only; version 5.5 only; version 6.0 only

Published 2004-01-20. Last modified 2026-06-16.