Microsoft Active Directory Lightweight Directory Service (AD LDS) on Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, and Windows 8 and Active Directory Services on Windows Server 2008 SP2 and R2 SP1 and Server 2012 allow remote attackers to cause a denial of service (LDAP directory-service outage) via a crafted LDAP query, aka "Remote Anonymous DoS Vulnerability."

The LDAP service in Microsoft Active Directory, Active Directory Application Mode (ADAM), Active Directory Lightweight Directory Service (AD LDS), and Active Directory Services allows remote attackers to cause a denial of service (memory consumption and service outage) via a crafted query, aka "Memory Consumption Vulnerability."