Steps to reproduce:

Several ways to reproduce this, here's one:

1. Open Microsoft Word, create a new document.
2. Write an URL (e.g. https://google.com) then press enter.
3. Move the cursor on the last character of the previous line (i.e. m).
4. Press NVDA+f.

Actual behavior:

Something like "style <POINTER(IUnknown) ptr=0x5d9bbd24 at 52462b0>" is reported.

Expected behavior:

The correct style should be reported (in this case 'Normal').

System configuration

NVDA installed/portable/running from source:

Installed

NVDA version:

alpha-20601,3a9484fb

Windows version:

10 Insider (64-bit) build 20175.1000

Name and version of other software in use when reproducing the issue:

Microsoft Office Word 16.0.13001.20384

Other information about your system:

UIA enabled

Other questions

Does the issue still occur after restarting your computer?

Yes

Have you tried any other versions of NVDA? If so, please report their behaviors.

Not tested

If addons are disabled, is your problem still occuring?

Yes

Did you try to run the COM registry fixing tool in NVDA menu / tools?

Yes