Firefox - Unbranded Build - Beta

by Mozillav147.0b1

Last updated Jul 27, 2026

Unbranded portable versions work just like Firefox, with 2 differences：they have a setting to disable mandatory signature checks, and they don't have the Firefox name or logo (instead using a generic name and logo). These builds are available in en-US only

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Install with winget

$ winget install --id Mozilla.Firefox.Unbranded.Beta --exact --version 147.0b1

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

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Installers · v147.0b1

Architecture	Type	Scope	Install	Download
x86	ZIP archive	-		Direct
x64	ZIP archive	-		Direct

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

critical9.8Fix in v153.0.0CVE-2026-16412affects before 140.13.0, 153.0.0Jul 21, 2026
Memory safety bugs present in Firefox ESR 140.12 and Firefox 152. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 153, Firefox ES...
Vendor advisory
critical9.8Fix in v153.0.0CVE-2026-16411affects before 153.0.0Jul 21, 2026
Memory safety bugs present in Firefox 152. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
Vendor advisory
critical9.8Fix in v153.0.0CVE-2026-16410affects before 153.0.0Jul 21, 2026
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
Vendor advisory
high7.5Fix in v153.0.0CVE-2026-16409affects before 153.0.0Jul 21, 2026
Invalid pointer in the Security: PSM component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
Vendor advisory
critical9.8Fix in v153.0.0CVE-2026-16408affects before 153.0.0Jul 21, 2026
Integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
Vendor advisory
critical9.8Fix in v153.0.0CVE-2026-16407affects before 153.0.0Jul 21, 2026
Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
Vendor advisory
critical9.1Fix in v153.0.0CVE-2026-16406affects before 153.0.0Jul 21, 2026
Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
Vendor advisory
high7.5Fix in v153.0.0CVE-2026-16405affects before 140.13.0, 153.0.0Jul 21, 2026
Information disclosure in the Networking: WebSockets component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
Vendor advisory

Showing 8 of 25. Source: NVD, updated 2h 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.

Related apps

Mozilla Firefox (en-US)Mozilla
Mozilla.Firefoxv153.0.1
Mozilla Firefox is free and open source software, built by a community of thousands from all over the world.
Mozilla Firefox (dsb)Mozilla
Mozilla.Firefox.dsbv153.0.1
Mozilla Firefox is free and open source software, built by a community of thousands from all over the world.
Mozilla Firefox (gd)Mozilla
Mozilla.Firefox.gdv153.0.1
Mozilla Firefox is free and open source software, built by a community of thousands from all over the world.
Mozilla Firefox (id)Mozilla
Mozilla.Firefox.idv153.0.1
Mozilla Firefox is free and open source software, built by a community of thousands from all over the world.
I
IceCatMozilla
Icecat.Icecatv115.24.0
The GNU version of the Firefox browser
Mozilla Firefox (hy-AM)Mozilla
Mozilla.Firefox.hy-AMv153.0.1
Mozilla Firefox is free and open source software, built by a community of thousands from all over the world.

More from Mozilla or browse webbrowser, web-browser, gecko.

Frequently asked questions

How do I install Firefox - Unbranded Build - Beta on Windows?

Open Windows Terminal, PowerShell, or Command Prompt and run: winget install --id Mozilla.Firefox.Unbranded.Beta --exact --version 147.0b1. winget downloads the installer from Mozilla and runs it. Requires Windows 10 (1809+) or Windows 11.

How do I install Firefox - Unbranded Build - Beta silently for unattended deployment?

Add --silent and accept the agreements upfront: winget install --id Mozilla.Firefox.Unbranded.Beta --exact 147.0b1 --silent --accept-package-agreements --accept-source-agreements. This is the variant Intune, Configuration Manager, and other deployment tools should use.

How do I uninstall Firefox - Unbranded Build - Beta via winget?

Run: winget uninstall --id Mozilla.Firefox.Unbranded.Beta --exact. Add --silent for unattended uninstalls. winget will use the registered uninstaller from Firefox - Unbranded Build - Beta's Apps & Features entry.

Is Firefox - Unbranded Build - Beta free?

Firefox - Unbranded Build - Beta is distributed under MPL-2.0. Refer to the publisher (https://wiki.mozilla.org/Add-ons/Extension_Signing#Unbranded_Builds) for the full license terms - Wingetly itself does not charge for installation.

Does Firefox - Unbranded Build - Beta 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 - Unbranded Build - Beta directly from the publisher.

How do I keep Firefox - Unbranded Build - Beta up to date?

Run winget upgrade --id Mozilla.Firefox.Unbranded.Beta --exact, or winget upgrade --all to update everything winget tracks. We index 1 version of Firefox - Unbranded Build - Beta from microsoft/winget-pkgs.