2 Edited final sentence in response to @Flyto suggestions.
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I was advised by my supervisor that on completion of the viva, I would be informed immediately (orally) of the outcome, and from that point I would 'officially' hold the PhD qualification.

The corrections/amendments and the committee/Senate meetings are effectively rubber stamps, providing you actually submit the corrected version.

And so in your position I would certainly refer to myself as 'Dr.'state that I have achieved my PhD on the date of the viva within my CV.

I was advised by my supervisor that on completion of the viva, I would be informed immediately (orally) of the outcome, and from that point I would 'officially' hold the PhD qualification.

The corrections/amendments and the committee/Senate meetings are effectively rubber stamps, providing you actually submit the corrected version.

And so in your position I would certainly refer to myself as 'Dr.'.

I was advised by my supervisor that on completion of the viva, I would be informed immediately (orally) of the outcome, and from that point I would 'officially' hold the PhD qualification.

The corrections/amendments and the committee/Senate meetings are effectively rubber stamps, providing you actually submit the corrected version.

And so in your position I would state that I have achieved my PhD on the date of the viva within my CV.

1
source | link

I was advised by my supervisor that on completion of the viva, I would be informed immediately (orally) of the outcome, and from that point I would 'officially' hold the PhD qualification.

The corrections/amendments and the committee/Senate meetings are effectively rubber stamps, providing you actually submit the corrected version.

And so in your position I would certainly refer to myself as 'Dr.'.