The user interface in Microsoft Cluster Service (MSCS) in Microsoft Windows Server 2008 R2 does not properly set administrative-share permissions for new cluster disks that are shared as part of a failover cluster, which allows remote attackers to read or modify data on these disks via requests to the associated share, aka "Permissions on New Cluster Disks Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6789
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-086