CVE-1999-0225: Microsoft Windows Nt

Medium severity, CVSS 5.0. EPSS: 18.5% chance of exploitation in the next 30 days.

Windows NT 4.0 allows remote attackers to cause a denial of service via a malformed SMB logon request in which the actual data size does not match the specified size.

Affected products

• Microsoft Windows Nt: version 4.0 only

Published 1998-02-14. Last modified 2026-06-16.