Announcing Windows 10 Insider Fast Build 16257 PC + 15237 Mobile Insider

Kari said:

My guess is, as I said, that it will be added to Windows in 2018. I would not be surprised to see it in version 1803, but latest in version 1809.

It would be nice if they also improve the security in PS, as malware can still use it too.
Maybe let/force it to run in containers, then always require admin privileges to let it run at all.

Use NON Administrator accounts in normal use and you have your PS security elevated.

slicendice said:

Use NON Administrator accounts in normal use and you have your PS security elevated.

That's not quite what I meant.

Cliff S said:

It would be nice if they also improve the security in PS, as malware can still use it too.
Maybe let/force it to run in containers, then always require admin privileges to let it run at all.

slicendice said:

Use NON Administrator accounts in normal use and you have your PS security elevated.

Cliff S said:

That's not quite what I meant.

TechNet PS2EXE : PowerShell Scripts to EXE Files

OK, so remember that unprotected PowerShell environment that I mentioned? Well, as it turns out, Microsoft doesn’t offer it as a malware authoring tool. Imagine that. Instead, insecure PowerShell environment exists within a utility called PS2EXE.
PS2EXE is a free tool for converting PowerShell scripts into executable files. However, there isn’t really a way to compile a PowerShell script into an EXE file. Since PS2EXE can’t do a true conversion, it encapsulates the PowerShell script into an EXE file, along with a lightweight (and insecure) PowerShell environment. This means that when you run the EXE file, the PowerShell script executes in a completely separate PowerShell environment.
It is worth noting that PS2EXE can’t handle every PowerShell script. This is especially true for scripts that call .NET or that use certain modules. Even so, PS2EXE does allow a PowerShell script to run in spite of a computer’s execution policies.

Read more here
Is PowerShell the ultimate malware authoring tool? - TechGenix

LEOPEVA64 said:

But this did not happen in builds prior to 16251, in other forums other people have the same problem.

Something to be aware of. Chrome recently bumped versions too so Windows may not be the cause.