CVE-2003-0507: Microsoft Windows 2000

High severity, CVSS 7.5. EPSS: 26.8% chance of exploitation in the next 30 days.

Stack-based buffer overflow in Active Directory in Windows 2000 before SP4 allows remote attackers to cause a denial of service (reboot) and possibly execute arbitrary code via an LDAP version 3 search request with a large number of (1) "AND," (2) "OR," and possibly other statements, which causes LSASS.EXE to crash.

Affected products

• Microsoft Windows 2000: any version

Published 2003-08-07. Last modified 2026-06-16.