Hi Joshua Butler,
Welcome to Microsoft Q&A forum.
This document: Description of the security update for the remote code execution vulnerability in Microsoft Visual Studio 2015 Update 3: August 9, 2022 (KB5016316) does introduce the way to verify the installation.
May I ask, where did you find that after installing this security patch, VS 2015 version will change from 14.0.25420.1 to 14.0.27552.0? Please kindly share the related guide/documents/links with us to check further.
Feel free to contact us.
Best Regards,
Tianyu
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