VMware Workstation 8.x before 8.0.5 and VMware Player 4.x before 4.0.5 on Windows use weak permissions for unspecified process threads, which allows host OS users to gain host OS privileges via a crafted application.
VMware Workstation 8.x before 8.0.2, VMware Player 4.x before 4.0.2, VMware Fusion 4.x before 4.1.2, VMware ESXi 3.5 through 5.0, and VMware ESX 3.5 through 4.1 use an incorrect ACL for the VMware Tools folder, which allows guest OS users to gain guest OS privileges via unspecified vectors.