CVE-2017-0171: Microsoft Windows Server 2008

Medium severity, CVSS 5.9. EPSS: 4.1% chance of exploitation in the next 30 days.

Windows DNS Server allows a denial of service vulnerability when Microsoft Windows Server 2008 SP2 and R2 SP1, Windows Server 2012 Gold and R2, and Windows Server 2016 are configured to answer version queries, aka "Windows DNS Server Denial of Service Vulnerability".

Affected products

• Microsoft Windows Server 2008: affected versions not specified; version r2 only
• Microsoft Windows Server 2012: affected versions not specified; version r2 only
• Microsoft Windows Server 2016: affected versions not specified

Published 2017-05-12. Last modified 2026-06-17.