CVE-2003-0907: Microsoft Windows Server 2003

Medium severity, CVSS 5.1. EPSS: 21.9% chance of exploitation in the next 30 days.

Help and Support Center in Microsoft Windows XP SP1 does not properly validate HCP URLs, which allows remote attackers to execute arbitrary code via quotation marks in an hcp:// URL, which are not quoted when constructing the argument list to HelpCtr.exe.

Affected products

• Microsoft Windows Server 2003: affected versions not specified
• Microsoft Windows XP: affected versions not specified

Published 2004-06-01. Last modified 2026-06-16.