Unity vulnerability hotfix

Unity recommended a patch for a vulnerability in their player for windows and Mac OSX. This update contains that.

Build and release context

Steam update times within 24 hours of this post. Matching dates do not confirm which build it describes.

Build 20252623 · public branch
Steam updated 04 Oct 2025, 13:47 GMT · First observed 06 Sep 2026, 17:18 GMT