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Azure Cosmos DB Emulator

by Microsoft® Corporationv2.14.28

Last updated

The Azure Cosmos emulator provides a local environment that emulates the Azure Cosmos DB service for development purposes.

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Install with winget

$ winget install --id Microsoft.Azure.CosmosEmulator --exact --version 2.14.28

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

Silent install command for Azure Cosmos DB Emulator

Azure Cosmos DB Emulator uses MSI (WiX). The silent install switches are /quiet /norestart.

One-line silent install (x64, machine scope)
msiexec.exe /i azure-cosmosdb-emulator-2.14.28-f3a3a45b.msi /quiet /norestart

See the full silent install reference for Azure Cosmos DB Emulator →

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About

The Azure Cosmos DB emulator provides a local environment that emulates the Azure Cosmos DB service designed for development purposes. Using the emulator, you can develop and test your application locally, without creating an Azure subscription or incurring any service costs. When you're satisfied with how your application is working with the emulator, you can transition to using an Azure Cosmos DB account with minimal friction.

Installers · v2.14.28

ArchitectureTypeScopeInstallDownload
x64MSI
WiX
machineDirect

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

Security

3 known CVEs via NVD

  • high8.5Patched in wingetCVE-2026-69857Sep 3, 2026

    Authorization bypass through user-controlled key in Azure Cosmos DB allows an authorized attacker to perform spoofing over a network.

    Vendor advisory
  • critical10.0Patched in wingetCVE-2026-66803Jul 30, 2026

    Improper access control in Azure Cosmos DB allows an unauthorized attacker to execute code over a network.

    Vendor advisory
  • high8.3Patched in wingetCVE-2025-64675Dec 18, 2025

    Improper neutralization of input during web page generation ('cross-site scripting') in Azure Cosmos DB allows an unauthorized attacker to perform spoofing over a network.

    Vendor advisory
Source: NVD, updated 3h 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? Push the patched version to Intune in one click with Pckgr.

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Frequently asked questions

How do I install Azure Cosmos DB Emulator on Windows?
Open Windows Terminal, PowerShell, or Command Prompt and run: winget install --id Microsoft.Azure.CosmosEmulator --exact --version 2.14.28. winget downloads the installer from Microsoft® Corporation and runs it. Requires Windows 10 (1809+) or Windows 11.
How do I install Azure Cosmos DB Emulator silently for unattended deployment?
Add --silent and accept the agreements upfront: winget install --id Microsoft.Azure.CosmosEmulator --exact 2.14.28 --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 Cosmos DB Emulator?
Azure Cosmos DB Emulator uses MSI (WiX). Run the downloaded installer with: msiexec.exe /i azure-cosmosdb-emulator-2.14.28-f3a3a45b.msi /quiet /norestart. The silent switches are /quiet /norestart.
How do I uninstall Azure Cosmos DB Emulator via winget?
Run: winget uninstall --id Microsoft.Azure.CosmosEmulator --exact. Add --silent for unattended uninstalls. winget will use the registered uninstaller from Azure Cosmos DB Emulator's Apps & Features entry.
Is Azure Cosmos DB Emulator free?
Azure Cosmos DB Emulator is distributed under Proprietary. Refer to the publisher (https://docs.microsoft.com/azure/cosmos-db/local-emulator) for the full license terms - Wingetly itself does not charge for installation.
Does Azure Cosmos DB Emulator 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 Cosmos DB Emulator directly from the publisher.
How do I keep Azure Cosmos DB Emulator up to date?
Run winget upgrade --id Microsoft.Azure.CosmosEmulator --exact, or winget upgrade --all to update everything winget tracks. We index 8 versions of Azure Cosmos DB Emulator from microsoft/winget-pkgs.

Recent versions

  • 2.14.28latest
  • 2.14.27
  • 2.14.26
  • 2.14.25
  • 2.14.24
  • 2.14.23
  • 2.14.22
  • 2.14.21