MASSIVE Unity Security Vulnerability! (but also nothing to worry about)

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Published on ● Video Link: https://www.youtube.com/watch?v=Q59s-VS684o



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Discussions: https://discussions.unity.com/t/unity-platform-protection-take-immediate-action-to-protect-your-games-and-apps/1688031
Exploit Report: https://flatt.tech/research/posts/arbitrary-code-execution-in-unity-runtime/
Patching: https://unity.com/security/sept-2025-01/remediation

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💬 Unity just announced a major security vulnerability affecting pretty much every game made since 2017! But don’t worry—there’s already an easy fix and you’re probably not at risk. In this quick video, I break down what’s going on, who’s affected, and what you need to actually do (spoiler: it’s pretty simple!).

00:00 Intro
00:17 What is the vulnerability?
01:10 Which projects and platforms are affected?
02:00 How to fix it
03:20 Patch tool for old projects
04:00 What about Steam and Microsoft Defender?
05:00 Technical details for curious devs
05:27 How to stay safe
05:42 Outro


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