CVE-2015-0015: Microsoft Windows Server 2003

High severity, CVSS 7.8. EPSS: 78.7% chance of exploitation in the next 30 days.

Microsoft Windows Server 2003 SP2, Server 2008 SP2 and R2 SP1, and Server 2012 Gold and R2 allow remote attackers to cause a denial of service (system hang and RADIUS outage) via crafted username strings to (1) Internet Authentication Service (IAS) or (2) Network Policy Server (NPS), aka "Network Policy Server RADIUS Implementation Denial of Service Vulnerability."

Affected products

• Microsoft Windows Server 2003: any version
• Microsoft Windows Server 2008: affected versions not specified; version r2 only
• Microsoft Windows Server 2012: affected versions not specified; version r2 only

Published 2015-01-13. Last modified 2026-06-17.