CVE-2001-1122: Microsoft Windows Nt

Low severity, CVSS 2.1. EPSS: 3.7% chance of exploitation in the next 30 days.

Windows NT 4.0 SP 6a allows a local user with write access to winnt/system32 to cause a denial of service (crash in lsass.exe) by running the NT4ALL exploit program in 'SPECIAL' mode.

Affected products

• Microsoft Windows Nt: version 4.0 only

Published 2001-08-03. Last modified 2026-06-16.