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Stack-based buffer overflow in the NetpManageIPCConnect function in the Workstation service (wkssvc.dll) in Microsoft Windows 2000 SP4 and XP SP2 allows remote attackers to execute arbitrary code via NetrJoinDomain2 RPC messages with a long hostname.
Use Microsoft vendor hub and Windows 2000 product page to widen CVE-2006-4691 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.