> I'm not sure how or what you're counting.
The recent two. FailCopy and DirtyFrag and FreeBSD with Execve.
2 - Linux 1 - FreeBSD.
Of course, all OS have had past-time exploits. Three now have made the news.
Your question was "how many high profile privilege escalations Windows has had recently" then? I can't think of any, 0?
> 2 Linux
Three. I don't know if this has a name yet... https://news.ycombinator.com/item?id=48067734