CVE-2003-0345: Microsoft Windows 2000

High severity, CVSS 7.5. EPSS: 34.7% chance of exploitation in the next 30 days.

Buffer overflow in the SMB capability for Microsoft Windows XP, 2000, and NT allows remote attackers to cause a denial of service and possibly execute arbitrary code via an SMB packet that specifies a smaller buffer length than is required.

Affected products

• Microsoft Windows 2000: any version
• Microsoft Windows Nt: version 4.0 only
• Microsoft Windows XP: any version

Published 2003-08-18. Last modified 2026-06-16.