CVE-1999-0869: Microsoft Internet Explorer

Low severity, CVSS 2.6. EPSS: 17.3% chance of exploitation in the next 30 days.

Internet Explorer 3.x to 4.01 allows a remote attacker to insert malicious content into a frame of another web site, aka frame spoofing.

Affected products

• Microsoft Internet Explorer: version 3.0 only; version 3.0.1 only; version 3.0.2 only; version 3.2 only; version 4.0 only; version 4.0.1 only
• Netscape Navigator: any version

Published 1998-12-01. Last modified 2026-06-16.