Microsoft included workaround information in its initial advisory on the hole, which does not affect IE 8, and on Friday updated Security Advisory 981374 to add more information on workarounds following Ben Abu's work."With today's update, we have added a Microsoft Fix It to automate this workaround for Windows XP and Windows Server 2003 customers," Bryant said "As always, customers should test this thoroughly before deploying as certain functionality that depends on the peer factory class, such as printing from Internet Explorer and the use of Web folders, may be affected".