CVE-1999-0877: Microsoft Internet Explorer

Medium severity, CVSS 4.3. EPSS: 17.7% chance of exploitation in the next 30 days.

Internet Explorer 5 allows remote attackers to read files via an ExecCommand method called on an IFRAME.

Affected products

• Microsoft Internet Explorer: version 4.01 only; version 5.0 only

Published 1999-10-01. Last modified 2026-06-16.