According to the author, it’s not possible to fix this without getting rid of Windows entirely.

The scary thing about this is that Microsoft has known about this all along and chosen not to fix it. Is this possibly another avenue we can take to dismantle Microsoft?

This paper presents a new generation of attacks against Microsoft Windows, and possibly other message-based windowing systems. The flaws presented in this paper are, at the time of writing, unfixable. The only reliable solution to these attacks requires functionality that is not present in Windows, as well as efforts on the part of every single Windows software vendor.

Yikes! This is a must read for everyone that owns a computer.