The Windows Animated Cursor (ANI) capability in Windows NT, Windows 2000 through SP4, Windows XP through SP1, and Windows 2003 allows remote attackers to execute arbitrary code via the AnimationHeaderBlock length field, which leads to a stack-based buffer overflow.
https://exchange.xforce.ibmcloud.com/vulnerabilities/18879
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2005/ms05-002
http://marc.info/?l=bugtraq&m=110556975827760&w=2