I see the same result as Ken,....as he say's, can you provide your text profile attributes?, as there may be a clue there.
Design Manager Streetscape Ltd
Solid Edge ST10 [MP3] Classic [x2 seats]
Windows 10 - Quadro P2000
It's the "Bold" parameter that is causing it. Turn off Bold and then it works fine. This setting shouldn't be used with the stencil font as the amount that it thickens it is negligible, and as you have seen, causes overlapping geometry. I am still going to log it as an issue though...