Technical Information

Brief overview of the risk:
The vulnerability could allow denial of service if a user visits a network share (or visits a Web site that points to a network share) containing a specially crafted file.
Detailed Information on the risk:

A denial of service vulnerability exists in Windows due to the way the kernel parses file meta-data when browsing to a folder. An attacker who successfully exploited this vulnerability could cause the affected system to crash.

Further information on this exploit is available at : MS11-068