Microsoft Windows Hyper-V is vulnerable to a denial of service, caused by a flaw in Discrete Device Assignment (DDA). By sending a specially-crafted request, a remote authenticated attacker could exploit this vulnerability to cause a denial of service condition.
Microsoft Windows could allow a remote authenticated attacker to gain elevated privileges on the system, caused by a flaw in the Active Directory Domain Services. By sending a specially-crafted request, an attacker could exploit this vulnerability to escalate privileges.
Use Microsoft Automatic Update to apply the appropriate patch for your system, or the Microsoft Security Update Guide to search for available patches.