CVE-2006-3899: Microsoft Internet Explorer

Medium severity, CVSS 5.0. EPSS: 24.3% chance of exploitation in the next 30 days.

Microsoft Internet Explorer 6.0 on Windows XP SP2 allows remote attackers to cause a denial of service (application crash) by calling the stringToBinary function of the CEnroll.CEnroll.2 ActiveX object with a long second argument, which triggers an invalid memory access inside the SysAllocStringLen function.

Affected products

• Microsoft Internet Explorer: version 6.0 only

Published 2006-07-27. Last modified 2026-06-16.