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Firefox Developer Edition (eo)

by Mozillav151.0

Last updated

Firefox Browser Developer Edition

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Install with winget

$ winget install --id Mozilla.Firefox.DeveloperEdition.eo --exact --version 151.0

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

Silent install command for Firefox Developer Edition (eo)

Firefox Developer Edition (eo) uses EXE (NSIS). The silent install switches are /S /PreventRebootRequired=true.

One-line silent install (x64, machine scope)
Firefox%20Setup%20151.0b10.exe /S /PreventRebootRequired=true

See the full silent install reference for Firefox Developer Edition (eo) →

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About

Get the latest features, fast performance, and the development tools you need to build for the open web using Firefox Browser Developer Edition.

Installers · v151.0

ArchitectureTypeScopeInstallDownload
x86EXE
NSIS
machineDirect
x64EXE
NSIS
machineDirect
arm64EXE
NSIS
machineDirect

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

Security

25 known CVEs via NVD

  • high7.5Fix in v153.2.0CVE-2026-84145affects before 115.40.0, 140.15.0, 153.2.0, 155.0.0Sep 1, 2026

    Internally found bugs present in Thunderbird 154, Thunderbird ESR 153.1 and Thunderbird ESR 140.14. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vu...

    Vendor advisory
  • high7.5Fix in v153.2.0CVE-2026-84144affects before 153.2.0, 155.0.0Sep 1, 2026

    Internally found bugs present in Thunderbird 154 and Thunderbird ESR 153.1. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in...

    Vendor advisory
  • critical9.8Fix in v153.2.0CVE-2026-84143affects before 140.15.0, 153.2.0, 155.0.0Sep 1, 2026

    Internally found bugs present in Thunderbird 154, Thunderbird ESR 153.1 and Thunderbird ESR 140.14. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vu...

    Vendor advisory
  • critical9.8Fix in v155.0.0CVE-2026-84142affects before 155.0.0Sep 1, 2026

    Internally found bugs present in Thunderbird 154. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 155 and Thunderbi...

    Vendor advisory
  • critical9.8Fix in v153.2.0CVE-2026-84141affects before 153.2.0, 155.0.0Sep 1, 2026

    Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.

    Vendor advisory
  • critical9.8Fix in v153.2.0CVE-2026-84140affects before 153.2.0, 155.0.0Sep 1, 2026

    Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.

    Vendor advisory
  • medium6.1Fix in v153.2.0CVE-2026-84139affects before 153.2.0, 155.0.0Sep 1, 2026

    Clickjacking issue in the DOM: Events component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.

    Vendor advisory
  • medium6.5Fix in v155.0.0CVE-2026-84138affects before 155.0.0Sep 1, 2026

    Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 155 and Thunderbird 155.

    Vendor advisory
Showing 8 of 25. Source: NVD, updated 6h 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 - automated patching is the only way to keep up.

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Frequently asked questions

How do I install Firefox Developer Edition (eo) on Windows?
Open Windows Terminal, PowerShell, or Command Prompt and run: winget install --id Mozilla.Firefox.DeveloperEdition.eo --exact --version 151.0. winget downloads the installer from Mozilla and runs it. Requires Windows 10 (1809+) or Windows 11.
How do I install Firefox Developer Edition (eo) silently for unattended deployment?
Add --silent and accept the agreements upfront: winget install --id Mozilla.Firefox.DeveloperEdition.eo --exact 151.0 --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 Firefox Developer Edition (eo)?
Firefox Developer Edition (eo) uses EXE (NSIS). Run the downloaded installer with: Firefox%20Setup%20151.0b10.exe /S /PreventRebootRequired=true. The silent switches are /S /PreventRebootRequired=true.
How do I uninstall Firefox Developer Edition (eo) via winget?
Run: winget uninstall --id Mozilla.Firefox.DeveloperEdition.eo --exact. Add --silent for unattended uninstalls. winget will use the registered uninstaller from Firefox Developer Edition (eo)'s Apps & Features entry.
Is Firefox Developer Edition (eo) free?
Firefox Developer Edition (eo) is distributed under MPL-2.0. Refer to the publisher (https://www.mozilla.org/firefox/developer/) for the full license terms - Wingetly itself does not charge for installation.
Does Firefox Developer Edition (eo) 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 Firefox Developer Edition (eo) directly from the publisher.
How do I keep Firefox Developer Edition (eo) up to date?
Run winget upgrade --id Mozilla.Firefox.DeveloperEdition.eo --exact, or winget upgrade --all to update everything winget tracks. We index 10 versions of Firefox Developer Edition (eo) from microsoft/winget-pkgs.

Recent versions

  • 151.0latest
  • 149.0
  • 148.0
  • 147.0
  • 146.0
  • 145.0
  • 144.0
  • 143.0
  • 142.0
  • 141.0