Researchers from security firm FireEye say a PDF zero-day vulnerability is being exploited in the wild. Remote code execution exploit works against Adobe Reader 9, 10 and 11 versions. Adobe says it is investigating a report of a vulnerability in Adobe Reader and Acrobat XI (11.0.1) The risk to customers is being assessed, the team says. Adobe added a sandbox mechanism to isolate write operations called Protected Mode in Reader 10.3, 10.1.5 and 11.0.”]

