Buffer overflow in the InBatch BatchField ActiveX control for Invensys Wonderware InBatch 8.1 SP1, 9.0, and 9.0 SP1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors.
http://www.us-cert.gov/control_systems/pdf/ICSA-11-094-01.pdf
http://secunia.com/advisories/44336
http://iom.invensys.com/EN/pdfLibrary/Final.Tech.Alert.141.pdf