CVE-1999-1581: Microsoft Windows Nt

Medium severity, CVSS 5.0. EPSS: 20.6% chance of exploitation in the next 30 days.

Memory leak in Simple Network Management Protocol (SNMP) agent (snmp.exe) for Windows NT 4.0 before Service Pack 4 allows remote attackers to cause a denial of service (memory consumption) via a large number of SNMP packets with Object Identifiers (OIDs) that cannot be decoded.

Affected products

• Microsoft Windows Nt: version 4.0 only

Published 1997-12-23. Last modified 2026-06-16.