CVE-2002-0022: Microsoft Internet Explorer

High severity, CVSS 7.5. EPSS: 39.8% chance of exploitation in the next 30 days.

Buffer overflow in the implementation of an HTML directive in mshtml.dll in Internet Explorer 5.5 and 6.0 allows remote attackers to execute arbitrary code via a web page that specifies embedded ActiveX controls in a way that causes 2 Unicode strings to be concatenated.

Affected products

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

Published 2002-03-08. Last modified 2026-06-16.