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Mozilla Firefox (eu)

by Mozillav155.0.1

Last updated

Mozilla Firefox is free and open source software, built by a community of thousands from all over the world.

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Install with winget

$ winget install --id Mozilla.Firefox.eu --exact --version 155.0.1

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

Silent install command for Mozilla Firefox (eu)

Mozilla Firefox (eu) uses EXE (NSIS). The silent install switches are /S /PreventRebootRequired=true.

One-line silent install (x64, machine scope)
Firefox%20Setup%20155.0.1.exe /S /PreventRebootRequired=true

See the full silent install reference for Mozilla Firefox (eu) →

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About

Firefox Browser, also known as Mozilla Firefox or simply Firefox, is a free and open-source web browser developed by the Mozilla Foundation and its subsidiary, the Mozilla Corporation. Firefox uses the Gecko layout engine to render web pages, which implements current and anticipated web standards. In 2017, Firefox began incorporating new technology under the code name Quantum to promote parallelism and a more intuitive user interface. Firefox is officially available for Windows 7 or newer, macOS, and Linux. Its unofficial ports are available for various Unix and Unix-like operating systems including FreeBSD, OpenBSD, NetBSD, illumos, and Solaris Unix.

Installers · v155.0.1

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

  • high7.5Patched in wingetCVE-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
  • high7.5Patched in wingetCVE-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
  • critical9.8Patched in wingetCVE-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
  • critical9.8Patched in wingetCVE-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
  • critical9.8Patched in wingetCVE-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
  • critical9.8Patched in wingetCVE-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
  • medium6.1Patched in wingetCVE-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
  • medium6.5Patched in wingetCVE-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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More from Mozilla or browse browser, gecko, internet.

Frequently asked questions

How do I install Mozilla Firefox (eu) on Windows?
Open Windows Terminal, PowerShell, or Command Prompt and run: winget install --id Mozilla.Firefox.eu --exact --version 155.0.1. winget downloads the installer from Mozilla and runs it. Requires Windows 10 (1809+) or Windows 11.
How do I install Mozilla Firefox (eu) silently for unattended deployment?
Add --silent and accept the agreements upfront: winget install --id Mozilla.Firefox.eu --exact 155.0.1 --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 Mozilla Firefox (eu)?
Mozilla Firefox (eu) uses EXE (NSIS). Run the downloaded installer with: Firefox%20Setup%20155.0.1.exe /S /PreventRebootRequired=true. The silent switches are /S /PreventRebootRequired=true.
How do I uninstall Mozilla Firefox (eu) via winget?
Run: winget uninstall --id Mozilla.Firefox.eu --exact. Add --silent for unattended uninstalls. winget will use the registered uninstaller from Mozilla Firefox (eu)'s Apps & Features entry.
Is Mozilla Firefox (eu) free?
Mozilla Firefox (eu) is distributed under MPL-2.0. Refer to the publisher (https://www.mozilla.org/firefox/) for the full license terms - Wingetly itself does not charge for installation.
Does Mozilla Firefox (eu) 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 Mozilla Firefox (eu) directly from the publisher.
How do I keep Mozilla Firefox (eu) up to date?
Run winget upgrade --id Mozilla.Firefox.eu --exact, or winget upgrade --all to update everything winget tracks. We index 10 versions of Mozilla Firefox (eu) from microsoft/winget-pkgs.

Recent versions

  • 155.0.1latest
  • 155.0
  • 154.0.1
  • 154.0
  • 153.0.4
  • 153.0.3
  • 153.0.1
  • 153.0
  • 152.0.6
  • 152.0.5