The ForeFront team released Rollup 2 for Forefront Security for Exchange (FSE) Service Pack 2. This rollup which fixes and issue with version 8 of the Kaspersky antivirus engine, introduced with Rollup 2. The related knowledgebase article is kb2420644. Unfortunately the ForeFront Update page doesn’t mention the new Rollup (yet).
You can request the FSESP2RU3 here.