The Fine Line Between Security and Usability

SkiifGeek writes to ask, "Where should vendors be required to draw the line when supporting deprecated file formats and technology? In a recent case independent security researcher cocoruder found a critical bug with the JET engine, via the .mdb (Access) file format, he reported it to Microsoft, but Microsoft's response came as a surprise to him — it appears that Microsoft is not inclined to fix a critical arbitrary code execution vulnerability with a data technology that is at the heart of a large number of essential business and hobby applications."