Azure Functions Core Tools

by Microsoftv4.12.1

Last updated Jul 27, 2026

Command line tools for Azure Functions

Install with winget

$ winget install --id Microsoft.Azure.FunctionsCoreTools --exact --version 4.12.1

Run in Command Prompt, PowerShell, or Windows Terminal. Prompts for any agreements.

Silent install command for Azure Functions Core Tools

Azure Functions Core Tools uses MSI (WiX). The silent install switches are /quiet /norestart.

One-line silent install (x64, machine scope)

msiexec.exe /i func-cli-4.12.1-x64.msi /quiet /norestart

See the full silent install reference for Azure Functions Core Tools →

Built by Pckgr

For IT teams

Deploy this app to your whole fleet with Pckgr RMM.

App deployment, patching, and remote support in one place. Push this app to every device you manage, keep it patched automatically, and see new CVEs the moment they land. Works with Intune or fully standalone.

Free for up to 5 devices.

About

The Azure Functions Core Tools provide a local development experience for creating, developing, testing, running, and debugging Azure Functions.

Installers · v4.12.1

Architecture	Type	Scope	Download
x86	Portable in ZIP	-	Direct
x86	MSI WiX	machine	Direct
x64	Portable in ZIP	-	Direct
x64	MSI WiX	machine	Direct
arm64	Portable in ZIP	-	Direct

Copy a command tailored to that specific architecture, type, and scope - useful when winget would otherwise pick a different default.

Security

5 known CVEs via NVD

high8.2Patched in wingetCVE-2026-21532Feb 5, 2026
Azure Function Information Disclosure Vulnerability
Vendor advisory
high7.5Patched in wingetCVE-2025-33074Apr 30, 2025
Improper verification of cryptographic signature in Microsoft Azure Functions allows an authorized attacker to execute code over a network.
Vendor advisory
high8.2Patched in wingetCVE-2024-49052Nov 26, 2024
Missing authentication for critical function in Microsoft Azure PolicyWatch allows an unauthorized attacker to elevate privileges over a network.
Vendor advisory
high7.5Patched in wingetCVE-2024-38204Oct 15, 2024
Improper access control in Imagine Cup allows an authorized attacker to elevate privileges over a network.
Patch Vendor advisory
medium5.3Patched in wingetCVE-2020-16904Oct 16, 2020
An elevation of privilege vulnerability exists in the way Azure Functions validate access keys. An unauthenticated attacker who successfully exploited this vulnerability could invoke an HTTP Function without proper authorization. This security update addresses t...
Patch Vendor advisory

Source: NVD, updated 1h ago. Patch status is best-effort: NVD's fix version is compared against the latest version in winget, but the two version formats don't always align. Confirm with the vendor advisory before treating any specific build as safe.

See a CVE that affects your fleet? Pckgr RMM flags vulnerable devices and pushes the patched version automatically - automated patching is the only way to keep up.

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Frequently asked questions

How do I install Azure Functions Core Tools on Windows?

Open Windows Terminal, PowerShell, or Command Prompt and run: winget install --id Microsoft.Azure.FunctionsCoreTools --exact --version 4.12.1. winget downloads the installer from Microsoft and runs it. Requires Windows 10 (1809+) or Windows 11.

How do I install Azure Functions Core Tools silently for unattended deployment?

Add --silent and accept the agreements upfront: winget install --id Microsoft.Azure.FunctionsCoreTools --exact 4.12.1 --silent --accept-package-agreements --accept-source-agreements. This is the variant Intune, Configuration Manager, and other deployment tools should use.

What are the silent install switches for Azure Functions Core Tools?

Azure Functions Core Tools uses MSI (WiX). Run the downloaded installer with: msiexec.exe /i func-cli-4.12.1-x64.msi /quiet /norestart. The silent switches are /quiet /norestart.

How do I uninstall Azure Functions Core Tools via winget?

Run: winget uninstall --id Microsoft.Azure.FunctionsCoreTools --exact. Add --silent for unattended uninstalls. winget will use the registered uninstaller from Azure Functions Core Tools's Apps & Features entry.

Is Azure Functions Core Tools free?

Azure Functions Core Tools is distributed under MIT. Refer to the publisher (https://github.com/Azure/azure-functions-core-tools) for the full license terms - Wingetly itself does not charge for installation.

Does Azure Functions Core Tools work on Windows 10?

Yes, as long as your Windows 10 build supports winget (1809 or newer). winget ships with App Installer on Windows 10/11 and pulls Azure Functions Core Tools directly from the publisher.

How do I keep Azure Functions Core Tools up to date?

Run winget upgrade --id Microsoft.Azure.FunctionsCoreTools --exact, or winget upgrade --all to update everything winget tracks. We index 10 versions of Azure Functions Core Tools from microsoft/winget-pkgs.

Recent versions

4.12.1latest
4.12.0
4.11.0
4.10.0
4.9.0
4.8.0
4.7.0
4.6.0
4.5.0
4.4.1