EXE
WinGet
Mozilla Firefox ESR (cs)
Mozilla · 140.9.1 · x86
Before deploying, verify this file with VirusTotal ↗
Silent Commands
Install
"Firefox Setup 140.9.1esr.exe" /S /PreventRebootRequired=true
InstallPath
"Firefox Setup 140.9.1esr.exe" /S /PreventRebootRequired=true /InstallDirectoryPath="<INSTALLPATH>"
Intune Detection Rule
Registry Rule
Rule type
Registry
Registry hive
Key path
HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Mozilla Firefox 140.9.1 ESR (x86 cs)
Detection method
Value name
DisplayVersion
Operator
Greater than or equal to
Value
140.9.1
Associated with 32-bit app on 64-bit clients
Yes
File Identity
Filename
Firefox Setup 140.9.1esr.exe
Signature
Status
Upload installer to verify signature
Installer Selection
WinGet Package
Package ID
Mozilla.Firefox.ESR.cs
Version
140.9.1
Description
Get the Firefox Extended Support Release or Rapid Release browser for comprehensive data security and data protection.
License
MPL-2.0
↗
Support
https://support.mozilla.org/
Installer URL
https://download-installer.cdn.mozilla.net/pub/firefox/releases/140.9.1esr/win32/cs/Firefox%20Setup%20140.9.1esr.exe
Upgrade Behavior
install(Install over existing)
Release Notes
Version 140.9.1, first offered to ESR channel users on April 7, 2026
Firefox 140 Extended Support Release (ESR) includes all of the enhancements since Firefox 128, along with many new features to make your enterprise deployments easier and even more flexible.
Fixed
- Various security fixes.
Developer