The POSIX component of Microsoft Windows NT and Windows 2000 allows local users to execute arbitrary code via certain parameters, possibly by modifying message length values and causing a buffer overflow.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2847
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2166
https://exchange.xforce.ibmcloud.com/vulnerabilities/16590
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-020