The Print Spooler service in Microsoft Windows XP SP2 and SP3 Windows Server 2003 SP2 Windows Vista SP1 and SP2 Windows Server 2008 Gold SP2 and R2 and Windows 7 when printer sharing is enabled does not properly validate spooler access permissions which allows remote attackers to create files in a system directory and consequently execute arbitrary code by sending a crafted print request over RPC as exploited in the wild in September 2010 aka \Print Spooler Service Impersonation Vulnerability.\