CVE-1999-0347: Internet Explorer 4.01 allows remote attackers to read local files and spoof web pages via a "%01" character in an "abou

Published n/a Updated 2026-08-21T04:30:42.819Z

Summary

Internet Explorer 4.01 allows remote attackers to read local files and spoof web pages via a "%01" character in an "about:" Javascript URL, which causes Internet Explorer to use the domain specified after the character.

Severity

UNKNOWN

Source Attribution

Source: NVD · Updated: 2026-08-21T04:30:42.819Z · Confidence: high

Impact

Based on CVSS vector: n/a — assess confidentiality, integrity, and availability impact via the official vector documentation.

Affected Software

Fix

Upgrade affected software to the fixed version identified above. Apply vendor patches and monitor advisories before exposed systems go unpatched.

References