Mozilla Firefox Version 154.0 Released with Security Updates

 Mozilla sent Firefox Version 154.0 to the release channel. 

The update includes 58 security updates in which 20 are rated critical, 26 rated moderate and 12 rated low. The security updates can be reviewed here.

The update also includes many new features, fixes, and several changes. To review the new features, changes and fixes, see the Release Notes.

Update:  To get the update now, select "Help" from the Firefox menu and pick "About Firefox".  Mac users need to select "About Firefox" from the Firefox menu.  If you do not use the English language version, Fully Localized Versions are available for download.

Rapid Release Calendar

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Pale Moon Version 34.3.2.1 Released for Linux

  Pale Moon has been updated to version 34.3.2.1.  This is a small update for Linux only.

The update addresses issues with the GTK file dialogs.  There are no other changes to this version.

Update: To get the update now, select "Help" from the Pale Moon menu at the upper left of the browser window.  Select About Pale Moon > Check for Updates.

Release Notes
Release Cycle

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Microsoft August 2026 Security Updates

 

The Microsoft August 2026 security updates have been released and consist of 398 new CVEs and 2 CVEs relating to non-Microsoft products.

Of the Microsoft CVEs released, 62 are rated Critical, 1 moderate, and the rest are rated Important in severity. At the time of release, one is listed as publicly known and one as being actively exploited.

The security updates apply to the following products, features and roles: Windows and Windows components, Office and Office Components, AMD Zen, Azure and Azure Components, GitHub Copilot, Windows Defender, Exchange Server, SharePoint, OneDrive for macOS, Teams, Power BI, .NET and Visual Studio, DHCP Server and Client, DNS Server, and Windows TPM.

Information regarding known issues with KBs included in the security updates can be found at the bottom of the page at August 2026 Security Updates - Release Notes - Security Update Guide - Microsoft.

Recommended Reading:  See Dustin Childs complete review and analysis in Zero Day Initiative -- The August 2026 Security Update Review.

Additional Update Notes:

• Windows 10 -- See Windows 10 Extended Security Updates (ESU).
• Servicing Stack Updates -- Microsoft now combines the latest servicing stack update (SSU) for your operating system with the Latest Cumulative Updates (LCU). For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.
  
• Windows updates are cumulative. The monthly security release includes all security fixes for vulnerabilities that affect Windows, in addition to non-security updates. The updates are also available via search for the KB number in the Microsoft Update Catalog.
• For information on lifecycle and support dates for Windows 11 operating systems, please see Windows 11 Home and Pro.
• Windows Update History:  Windows 11, Windows 10

 

References

• Security Update FAQ
• Security Updates Guide

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Mozilla Firefox Version 153.0.4 Released

 Mozilla sent Firefox Version 153.0.4 to the release channel. 

From the Release Notes, the update includes the following fix:

Fixed: Firefox becoming unresponsive when clearing browsing history, which could also result in site data being lost. (Bug 2059647)

Update:  To get the update now, select "Help" from the Firefox menu and pick "About Firefox".  Mac users need to select "About Firefox" from the Firefox menu.  If you do not use the English language version, Fully Localized Versions are available for download.

Rapid Release Calendar

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Pale Moon Version 34.3.2 Released with Security Updates

  Pale Moon has been updated to version 34.3.2.  This is a security and bugfix update.

Changes/Fixes:

• Implemented the URL.Parse() convenience function.
• Added multiple bounds checks on internal browser functions to avoid potential out-of-bounds accesses, underflows and overflows. (DiD)
• Fixed several issues with loading and parsing content-supplied fonts.
• Set a bottom limit on the frequency for audio samples to avoid a whole class of potential bugs surrounding audio loading, processing and playback.
  Audio formats with a sample rate below 8kHz (the commonly accepted lowest sample rate of "telephone"/"walkie-talkie" quality) are now rejected.
• Fixed a potential issue in CSS rounded corners with dotted styling.
• Image elements in forms are no longer associated if they are not in the same subtree.
• Made image animation checks more strict to avoid potential issues if decoding would be slow.
• Video region checks are now more strict to avoid issues with malformed video files.
• Updated NSS to 3.90.13.0 (UXP) addressing all applicable security issues from NSS upstream.
  
• Another large security audit of over 200 sec bugs in Mozilla land has been performed, with the vast majority not being applicable to our code base (primarily e10s/IPC bugs).
  
• Security issues addressed: CVE-2026-16353, CVE-2026-16408, CVE-2026-16389 and many others that do not have a CVE designation.

Notes:

*DiD: This means that a fix is "Defense-in-Depth": It is a fix that does not apply to a (potentially) actively exploitable vulnerability in Pale Moon, but prevents future vulnerabilities caused by the same code, e.g. when surrounding code changes, exposing the problem, or when new attack vectors are discovered.

Pale Moon includes both 32- and 64-bit versions for Windows: Pale Moon for Windows downloads.

Update: To get the update now, select "Help" from the Pale Moon menu at the upper left of the browser window.  Select About Pale Moon > Check for Updates.

Release Notes
Release Cycle

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Mozilla Firefox Version 153.0.3 Released

 Mozilla sent Firefox Version 153.0.3 to the release channel. 

From the Release Notes, the update includes enhancements to "Smart Window" and six fixes. 

Update:  To get the update now, select "Help" from the Firefox menu and pick "About Firefox".  Mac users need to select "About Firefox" from the Firefox menu.  If you do not use the English language version, Fully Localized Versions are available for download.

Rapid Release Calendar

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July 2026 Non-Security Preview Update for Windows 11

  Microsoft released KB5101681 (OS Build 28000.2608) for Windows 11 26H1.  Microsoft also released KB5101684 (OS Builds 26200.8973 and 26100.8973) for Windows 11 versions 25H2 and 24H2.  

See the referenced KB Articles for information about any quality improvements, new features and the highlights included in the updates.

Update:  To get the update, go to Settings > Update & Security > Windows Update. The link to download the update can be found in the Optional updates available section.

Remember - "A day without laughter is a day wasted."
May the wind sing to you and the sun rise in your heart...

Mozilla Firefox Version 153.0.1 Released

 Mozilla sent Firefox Version 153.0.1 to the release channel. 

From the Release Notes, the update includes ten fixes, three of which involved crashes. 

Update:  To get the update now, select "Help" from the Firefox menu and pick "About Firefox".  Mac users need to select "About Firefox" from the Firefox menu.  If you do not use the English language version, Fully Localized Versions are available for download.

Rapid Release Calendar

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Mozilla Firefox Version 153.0 Released with Security Updates

 Mozilla sent Firefox Version 153.0 to the release channel. 

The update includes 63 security updates in which 20 are rated critical, 35 rated moderate and 8 rated low. The security updates can be reviewed here.

The update also includes many new features and several changes. To review the changes and fixes, see the Release Notes.

Update:  To get the update now, select "Help" from the Firefox menu and pick "About Firefox".  Mac users need to select "About Firefox" from the Firefox menu.  If you do not use the English language version, Fully Localized Versions are available for download.

Rapid Release Calendar

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Windows 11 Out-of-Band Update for Dell Computers

  

Microsoft issued an Out-of-Band (OOB) update for Windows 11, version 25H2 and Windows 11, version 24H2 (KB5121767 (OS Builds 26200.8894 and 26100.8894). It includes all improvements from previous security and non-security updates, along with an additional fix.

The original release was paused for certain Dell devices with Intel processors due to an incompatibility reported by Dell that can potentially cause unexpected shutdowns, poor performance, increased heat, and battery drain.

This OOB update includes the following improvement:

[System Performance] This update addresses an issue affecting a limited number of devices with an Intel Innovation Platform Framework (Intel IPF) driver that could cause changes in performance, power consumption, or system behavior after installing recent Windows updates. A limited number of Dell devices that were temporarily prevented from receiving the July 2026 security update KB5101650 can now install this OOB update. This OOB update is only recommended for devices affected by this issue. If your device is not affected, no action is required.

See the KB for additional information.

 

Remember - "A day without laughter is a day wasted."
May the wind sing to you and the sun rise in your heart...

Microsoft July 2026 Security Updates

 

The Microsoft July 2026 security updates have been released and consist of 622 new CVEs to Microsoft products and 428 CVEs of non-Microsoft Chromium CVEs.

Of the Microsoft CVEs released, 63 are rated Critical, 6 moderate, 1 low and the rest are rated Important in severity. At the time of release, one is listed as publicly known and two as being actively exploited.

The security updates apply to the following products, features and roles: Windows and Windows components, Office and Office Components, Microsoft Edge (Chromium-based), Azure, .NET and Visual Studio, Github Copilot, Defender, Exchange Server, Hyper-V, Ages of Empire II, and Minecraft Serve.

Information regarding known issues with KBs included in the security updates can be found at the bottom of the page at July 2026 Security Updates - Release Notes - Security Update Guide - Microsoft.

Recommended Reading:  See Dustin Childs complete review and analysis in Zero Day Initiative -- The July 2026 Security Update Review.

Additional Update Notes:

• Windows 10 -- See Windows 10 Extended Security Updates (ESU).
• Servicing Stack Updates -- Microsoft now combines the latest servicing stack update (SSU) for your operating system with the Latest Cumulative Updates (LCU). For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.
  
• Windows updates are cumulative. The monthly security release includes all security fixes for vulnerabilities that affect Windows, in addition to non-security updates. The updates are also available via search for the KB number in the Microsoft Update Catalog.
• For information on lifecycle and support dates for Windows 11 operating systems, please see Windows 11 Home and Pro.
• Windows Update History:  Windows 11, Windows 10

 

References

• Security Update FAQ
• Security Updates Guide

Remember - "A day without laughter is a day wasted."
May the wind sing to you and the sun rise in your heart...

Mozilla Firefox Version 152.0.6 Released with Security Updates

 Mozilla sent Firefox Version 152.0.6 to the release channel. 

The update includes two security updates rated critical. The security updates can be reviewed here.

The update also includes several Smart Window enhancements and three fixes. To review the changes and fixes, see the Release Notes.

Update:  To get the update now, select "Help" from the Firefox menu and pick "About Firefox".  Mac users need to select "About Firefox" from the Firefox menu.  If you do not use the English language version, Fully Localized Versions are available for download.

Rapid Release Calendar

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Mozilla Firefox Version 152.0.5 Released

 Mozilla sent Firefox Version 152.0.5 to the release channel. 

From the Release Notes, the update includes a fix to an issue where the Manage payment methods list in Settings appears empty when a saved payment card had no expiration date. 

Update:  To get the update now, select "Help" from the Firefox menu and pick "About Firefox".  Mac users need to select "About Firefox" from the Firefox menu.  If you do not use the English language version, Fully Localized Versions are available for download.

Rapid Release Calendar

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Mozilla Firefox Version 152.0.4 Released with Security Update

 Mozilla sent Firefox Version 152.0.4 to the release channel. 

The update includes one security update rated critical. The security update can be reviewed here.

A new feature and three fixes are included in the update.  To review the new features and fixes, see the Release Notes.

Update:  To get the update now, select "Help" from the Firefox menu and pick "About Firefox".  Mac users need to select "About Firefox" from the Firefox menu.  If you do not use the English language version, Fully Localized Versions are available for download.

Rapid Release Calendar

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Mozilla Firefox Version 152.0.3 Released

 Mozilla sent Firefox Version 152.0.3 to the release channel. 

From the Release Notes, the update includes a fix to an issue that could cause extreme memory usage and freezing on startup for users with language packs installed.

Update:  To get the update now, select "Help" from the Firefox menu and pick "About Firefox".  Mac users need to select "About Firefox" from the Firefox menu.  If you do not use the English language version, Fully Localized Versions are available for download.

Rapid Release Calendar

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Pale Moon Version 34.3.1 Released with Security Updates

  Pale Moon has been updated to version 34.3.1.  This is a security and bugfix update.

Changes/Fixes:

• Pale Moon will now exclude local resources from <base> CSP checks, aligning it with the rest of CSP handling.
• Fixed an issue where the devtools JSON viewer would, in some cases, make erroneous requests to remote servers.
• Updated libpng to 1.6.58+apng.
• Updated NSS to 3.90.12 (UXP), addressing multiple security issues.
• Fixed several intermittent and rare crashes.
• Security issues addressed: CVE-2026-12318 (CWE-125), CVE-2026-12322, CVE-2026-12292 (DiD), and multiple other issues that did not have a CVE designation at the time of patching.

Notes:

*DiD: This means that a fix is "Defense-in-Depth": It is a fix that does not apply to a (potentially) actively exploitable vulnerability in Pale Moon, but prevents future vulnerabilities caused by the same code, e.g. when surrounding code changes, exposing the problem, or when new attack vectors are discovered.

Pale Moon includes both 32- and 64-bit versions for Windows: Pale Moon for Windows downloads.

Update: To get the update now, select "Help" from the Pale Moon menu at the upper left of the browser window.  Select About Pale Moon > Check for Updates.

Release Notes
Release Cycle

Remember - "A day without laughter is a day wasted."

June 2026 Non-Security Preview Update for Windows 11

  Microsoft released KB5095091 (OS Build 28000.2340) for Windows 11 Version 26H1.  Microsoft also released KB5095093 (OS Builds 26200.8737 and 26100.8732) for Windows 11 versions 25H2 and 24H2.  

See the referenced KB Articles for information about any quality improvements, new features and the highlights included in the updates.

Update:  To get the update, go to Settings > Update & Security > Windows Update. The link to download the update can be found in the Optional updates available section.

Remember - "A day without laughter is a day wasted."
May the wind sing to you and the sun rise in your heart...

Mozilla Firefox Version 152.0.2 Released

 Mozilla sent Firefox Version 152.0.2 to the release channel. 

The update includes four fixes. To review the fixes, see the Release Notes.

Update:  To get the update now, select "Help" from the Firefox menu and pick "About Firefox".  Mac users need to select "About Firefox" from the Firefox menu.  If you do not use the English language version, Fully Localized Versions are available for download.

Rapid Release Calendar

Remember - "A day without laughter is a day wasted."
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Mozilla Firefox Version 152.0.1 Released

 Mozilla sent Firefox Version 152.0.1 to the release channel. 

The update includes two fixes affecting the operation of the browser. To review the fixes, see the Release Notes.

Update:  To get the update now, select "Help" from the Firefox menu and pick "About Firefox".  Mac users need to select "About Firefox" from the Firefox menu.  If you do not use the English language version, Fully Localized Versions are available for download.

Rapid Release Calendar

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Mozilla Firefox Version 151.0 Released with Security Updates

 Mozilla sent Firefox Version 152.0 to the release channel. 

The update includes forty security updates of which thirteen (13) are rated critical, eighteen (18) are rated moderate, and nine (9) are rated low. The security updates can be reviewed here.

New features, fixes, and changes are included in the update.  To review the new features and fixes, see the Release Notes.

Update:  To get the update now, select "Help" from the Firefox menu and pick "About Firefox".  Mac users need to select "About Firefox" from the Firefox menu.  If you do not use the English language version, Fully Localized Versions are available for download.

Rapid Release Calendar

Remember - "A day without laughter is a day wasted."
May the wind sing to you and the sun rise in your heart...

Pale Moon Version 34.3.0.1 Released with Fixes

 Pale Moon has been updated to version 34.3.0.1.  This is a small update to address 2 important usability/stability issues.

Changes/fixes:

• Fixed intermittent JavaScript engine crashes due to the newly-implemented FinalizationRegistry code.
• Fixed a webaudio channel mixing regression resulting in broken audio.

Pale Moon includes both 32- and 64-bit versions for Windows: Pale Moon for Windows downloads.

Update: To get the update now, select "Help" from the Pale Moon menu at the upper left of the browser window.  Select About Pale Moon > Check for Updates.

Release Notes
Release Cycle

Remember - "A day without laughter is a day wasted."
May the wind sing to you and the sun rise in your heart...

Microsoft June 2026 Security Updates

 

The Microsoft June 2026 security updates have been released and consist of 208 new CVEs to Microsoft products. 

Of the Microsoft CVEs released, 39 are rated Critical, 167 are rated Important and the rest are rated Low in severity. At the time of release, three are listed as publicly known and one as being actively exploited.

The security updates apply to the following products, features and roles: Windows and Windows components, Office and Office Components, Microsoft Edge (Chromium-based), Azure, .NET and Visual Studio, Github Copilot, Defender, Exchange Server, Hyper-V, Secure Boot, and BitLocker.

Information regarding known issues with KBs included in the security updates can be found at the bottom of the page at June 2026 Security Updates - Release Notes - Security Update Guide - Microsoft.

Recommended Reading:  See Dustin Childs complete review and analysis in Zero Day Initiative -- The June 2026 Security Update Review.

Additional Update Notes:

• Windows 10 -- See Windows 10 Extended Security Updates (ESU).
• Servicing Stack Updates -- Microsoft now combines the latest servicing stack update (SSU) for your operating system with the Latest Cumulative Updates (LCU). For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.
  
• Windows updates are cumulative. The monthly security release includes all security fixes for vulnerabilities that affect Windows, in addition to non-security updates. The updates are also available via search for the KB number in the Microsoft Update Catalog.
• For information on lifecycle and support dates for Windows 11 operating systems, please see Windows 11 Home and Pro.
• Windows Update History:  Windows 11, Windows 10

 

References

• Security Update FAQ
• Security Updates Guide

Remember - "A day without laughter is a day wasted."
May the wind sing to you and the sun rise in your heart...