CVE-2006-1191: Microsoft Internet Explorer

Medium severity, CVSS 4.0. EPSS: 31.9% chance of exploitation in the next 30 days.

Microsoft Internet Explorer 5.01 through 6 does not always correctly identify the domain that is associated with a browser window, which allows remote attackers to obtain sensitive cross-domain information and spoof sites by running script after the user has navigated to another site.

Affected products

• Microsoft Internet Explorer: version 5.01 only; version 5.1 only; version 5.5 only; version 6.0 only

Published 2006-04-11. Last modified 2026-06-16.