CVE-2001-0507: Microsoft Internet Information Services

High severity, CVSS 7.2. EPSS: 8.8% chance of exploitation in the next 30 days.

IIS 5.0 uses relative paths to find system files that will run in-process, which allows local users to gain privileges via a Trojan horse file, aka the "System file listing privilege elevation" vulnerability.

Affected products

• Microsoft Internet Information Services: version 5.0 only

Published 2001-09-20. Last modified 2026-06-16.