CVE-2002-1186: Microsoft Ie

Medium severity, CVSS 5.0. EPSS: 19.1% chance of exploitation in the next 30 days.

Internet Explorer 5.01 through 6.0 does not properly perform security checks on certain encoded characters within a URL, which allows a remote attacker to steal potentially sensitive information from a user by redirecting the user to another site that has that information, aka "Encoded Characters Information Disclosure."

Affected products

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

Published 2002-12-11. Last modified 2026-06-16.