CVE-2011-4689: Microsoft Internet Explorer

Medium severity, CVSS 5.0. EPSS: 9.4% chance of exploitation in the next 30 days.

Microsoft Internet Explorer 6 through 9 does not prevent capture of data about the times of Same Origin Policy violations during IFRAME loading attempts, which makes it easier for remote attackers to determine whether a document exists in the browser cache via crafted JavaScript code.

Affected products

• Microsoft Internet Explorer: version 6 only; version 7 only; version 8 only; version 9 only

Published 2011-12-07. Last modified 2026-06-16.