The OLE Point of Sale (OPOS) drivers before 1.13.003 on HP Point of Sale Windows PCs allow remote attackers to execute arbitrary code via vectors involving OPOSScanner.ocx for Imaging Barcode scanners, Linear Barcode scanners, Presentation Barcode scanners, Retail Integrated Barcode scanners, Wireless Barcode scanners, and 2D Value Wireless scanners.