Windows 10 ESU Update KB5071546 (Build 19045.6691) Released as December 2025 Patch

Latest Updates for Windows 10: December 2025

Windows 10 version 22H2 is receiving the update build 19045.6691 (KB5071546) through the Extended Security Updates (ESU) program.
This update addresses a specific command in PowerShell 5.1.
No significant new features are included, as mainstream support for Windows 10 ended on November 14, 2025.

Currently, builds 19045.6691 and 19044.6691 (KB5071546) are being deployed as part of the December 2025 Security Update under the ESU program for Windows versions 22H2 and 21H2. This incremental update introduces modifications to PowerShell 5.1.

The details in the change logs indicate that the KB5071546 update enhances the Invoke-WebRequest command within PowerShell 5.1 by adding a confirmation prompt that warns users about the risks associated with script execution.

Moreover, this release also incorporates fixes from the November 2025 Security Update, along with an out-of-band update that was made available in the same month.

KB5072033 (build 26200.7462) for Windows 11 drops as the December 2025 update

KB5068781 (build 19045.6575) for Windows 10 ESU drops as the November 2025 update

Windows 10 support has ended as of October 14, 2025 - What happens next? All the answers.

During the initial phase of development, Microsoft does not disclose the finalized names for updates meant for the Stable Channel. Initially marked as non-security updates while in preview, official designations—such as the November 2025 Security Update—are assigned after their release on Patch Tuesday.

Updates for Older Windows Versions

Additionally, Microsoft is releasing updates for earlier versions of Windows 10, including 1809 and 1607. For instance, update KB5071544 for version 1809 raises the build number to 17763.8146 while addressing various issues.

Version 1607 also receives attention with update KB5071543, which updates the build to 14393.8688, fixing several persistent problems within the operating system.

Manual Installation Process for November 2025 Patch Tuesday

To obtain this Windows 10 build, navigate to the “Windows Update” settings page and select the “Check for Updates” option.

Patch Tuesday Update History for November 2025

Final Release – Patch Tuesday (Stable Channel):
- Windows 10 version 22H2 build 19045.6691 was released on November 11, 2025.Official Release Notes.
- Windows 10 version 21H2 build 19044.6691 was also released on November 11, 2025.(Identical).

End of Support for Windows 10

As of November 14, 2025, support for Windows 10 has concluded, meaning Microsoft will no longer issue security updates, bug fixes, or technical assistance. To receive essential security updates moving forward, enrollment in the Extended Security Updates (ESU) program is necessary.

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Be aware that the absence of updates will expose your system to potential security vulnerabilities and may adversely affect performance.

Given that the software giant has ceased updates, it is advisable to consider upgrading to Windows 11, transitioning to another operating system like Linux Mint, or investing in a new device.

According to Microsoft, all Windows 10 versions have reached their end of support, including:

Version 1507 (RTM)
Windows 10 2015 LTSB
Version 1511
Version 1607
Version 1703
Version 1709
Version 1803
Version 1809
Version 1903
Version 1909
Version 2004
Version 20H2
Version 21H1
Version 22H2

If you wish to continue utilizing Windows 10, Microsoft provides Extended Security Updates (ESU), a service traditionally offered to enterprises that sought to extend support for aging systems. This option is now also available for regular consumers.

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