Microsoft MSN Messenger 6.0 and 6.1 does not properly handle certain requests, which allows remote attackers to read arbitrary files.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A844
https://exchange.xforce.ibmcloud.com/vulnerabilities/15427
https://exchange.xforce.ibmcloud.com/vulnerabilities/15415
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-010