How do I patch Unity? I don’t see the patch button in the Unity Hub interface.

You can either download and use one of the patched versions of Unity, or you can make a build with your current version and then patch the resulting executable. You can find links for the patcher, patched versions, as well as the remediation guide here: CVE-2025-59489 Patcher Tool That being said, …

In modern products, patches are installed with the click of a button or automatically. This is common practice. This also eliminates many problems and vulnerabilities, such as file substitution, post-download checksum calculations, etc. Are you suggesting I search for a patch for my version on a f…

If your version is 2021.3.10f1, then the latest patch version would be: 2021.3 LTS: 2021.3.45f2 The xLTS is for extended support, which would be if you have a support contract or are an enterprise customer

Am I correct in understanding that a single vulnerability requires reinstalling the entire development environment? You gave me a link to install the new version of Unity. So, a vulnerability appears and we have to reinstall the entire development environment?

The vulnerability exists in the runtime. You don’t need to fully install the Unity editor if you don’t want. You can also just run the patcher to patch your executable to fix the vulnerability there. I provided a link because you asked me what version was right for you

What exactly is a “patched version of Unity”? Do we just download the latest LTS of the version we are using? This is all a mess. I’m using 4 different versions of Unity for my games. If you could at least advise which Unity version I need to download if I am using Unity 2022.3.56f1.

[image] breban1: What exactly is a “patched version of Unity”? Do we just download the latest LTS of the version we are using? This is all a mess. I’m using 4 different versions of Unity for my games. If you could at least advise which Unity version I need to download if I am using Unity 2022.3.…

Ok so we need to do a fresh install of the editor? Just can’t download a new exe?

There are two options for resolving the vulnerability: Upgrade to a newer release of Unity (one of the versions released yesterday). Yes, this means installing a whole new Unity version; we do not offer any kind of incremental install. Run the binary patcher tool against your already-built game. T…

W are currently using a version of Unity 6.0 that is not the latest (e.g., 6000.0.50f1). The only f2 version available is 6000.0.58f2. Our team does not upgrade to the latest point release until we’ve gone through a thorough validation and testing process. Will there be f2 versions of all point re…

[image] beevik: Will there be f2 versions of all point releases? No. We recommend using the patcher tool for now, and then updating to the latest point release once you’re able.

How do I patch Unity?

Q&A for CVE-2025-59489

Tautvydas-Zilys October 3, 2025, 5:19pm 8

This link contains the list of Unity versions that have the fix:

That is what Unity Application Patcher does, which is downloadable from the link above.

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How do I patch Unity?

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