The WINS service (wins.exe) on Microsoft Windows NT Server 4.0, Windows 2000 Server, and Windows Server 2003 allows remote attackers to write to arbitrary memory locations and possibly execute arbitrary code via a modified memory pointer in a WINS replication packet to TCP port 42, aka the "Association Context Vulnerability."
Use Microsoft vendor hub and Windows 2000 product page to widen CVE-2004-1080 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2010-1880, CVE-2010-1262 and CVE-2010-1259 for nearby disclosures in the same product family. Additional editorial context is available in Weekly Security Roundup: Navigating the April 2026 Threat Landscape and Critical Framework Exploits.