And let's hope it will patched this coming Patch Tuesday
http://forums.cnet.com/5208-6132_102-0.html?forumID=32&threadID=226796&messageID=2365480#2365480

See advisory by Microsoft:
Update on Current Word Vulnerability Reports

Vulnerability in Microsoft Word Could Allow Remote Code Execution

Vulnerability in Microsoft XML Core Services Could Allow Remote Code Execution - this is PATCHED by installing [ulr=http://www.microsoft.com/technet/security/Bulletin/MS06-071.mspx]MS06-071 that was released Nov. 14 and has been updated Dec. 14

If any of the above do not cover the reports that the IT companies has received, it is best to keep the intrusion, antivirus protection in placed and the system state should be controlled by them using any group or company policies on computing and security.
Or try to not to open affected components of Windows that is not scanned for any infection. Firewall's intrusion signatures should also help to detect any attacks in any means. And all other security measure to protect the system and data.