CVE-2016-9312: Ntp

High severity, CVSS 7.5. EPSS: 31.7% chance of exploitation in the next 30 days.

ntpd in NTP before 4.2.8p9, when running on Windows, allows remote attackers to cause a denial of service via a large UDP packet.

Affected products

• Ntp Ntp: up to and including 4.2.8

Published 2017-01-13. Last modified 2026-06-17.