CVE-2000-1090: Microsoft Internet Information Server

Medium severity, CVSS 5.0. EPSS: 16.7% chance of exploitation in the next 30 days.

Microsoft IIS for Far East editions 4.0 and 5.0 allows remote attackers to read source code for parsed pages via a malformed URL that uses the lead-byte of a double-byte character.

Affected products

• Microsoft Internet Information Server: version 4.0 only; version 5.0 only

Published 2001-02-12. Last modified 2026-06-16.