Query consumes all available server memory

I'm hoping someone can verify this unique issue in thier environment before I submit to MS as a bug.

Our configuration: SSAS 2012 Enterprise (11.0.3349.0), Win Server 2012, 8 core, 254 Gb RAM

The following simple query that utilizes a VB function will consume all available memory within a few minutes, forcing a restart of services to free up resources.  Thoughts on why this is occuring and verification in a similar environment would be very much appreciated.

WITH MEMBER A AS Value("03/28/2013")

SELECT {A} ON 0

FROM [ARC]

Thanks,

Jim