The iSNS Server service in Microsoft Windows Server 2008 SP2 and R2, Windows Server 2012 Gold and R2, and Windows Server 2016 allows remote attackers to issue malicious requests via an integer overflow, aka "iSNS Server Memory Corruption Vulnerability."
Severity
CVSS 3.0
8.1 high
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
14% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-31)