

Email
LOW RISK:
Use Basic Caution
Microsoft has released security updates to fix cross-site scripting vulnerabilities in OWA. Until patches are installed, be careful while using OWA email.
Web Activities
HIGH RISK:
Use Extreme Caution
Microsoft has released an unscheduled security advisory warning customers of active targeted attacks leveraging a vulnerability in the Snapshot Viewer ActiveX control for Microsoft Access. Please see the following advisory.
Instant Messaging
LOW RISK:
Use Basic Caution
Currently, there are no widespread outbreaks of malicious code circulating via instant messaging (IM). In the past, however, some malicious code did take advantage of IM. Always use normal security precautions whenever you use IM.
File Sharing
LOW RISK:
Use Basic Caution
A vulnerability has been reported and addressed in Microsoft Windows Explorer. Install the vendor update and avoid downloading or handling '.search-ms' files because they could be malicious.