KB5068907 ESU for Windows Server 2012

KB5068907 is the ESU Monthly Rollup Update for Windows Server 2012. It was released on 11 November 2025 under the ‘Patch Tuesday’ program.

Salient points

  • KB5068907 supersedes KB5066875 released in October 2025.
  • KB5068907 also contains all changes that are part of the out of band (OOB) update KB5070887 released on 23 October 2025.
  • KB5068907 requires the KB5071813 Servicing Stack Update to be installed prior to installing the main monthly rollup update.
  • Without the installation of KB5071813, the ESU KB5068907 cannot be installed. For WSUS administrators, KB5071813 needs to be approved before KB5068907 will be fetched and deployed automatically.
  • If you install language pack after installing KB5068907, you would need to reinstall the security update. All language pack installations must be completed before installing the monthly rollup update on Windows Server 2012.
  • KB5068907 is an Extended Security Update. A valid subscription key to the ESU program is required before installing the monthly rollup update.
  • In November 2025, Microsoft disclosed 63 security vulnerabilities across all its products.
  • Windows Server 2012 is impacted by 16 security vulnerabilities reported in November 2025 security bulletin.
  • One of these vulnerabilities has a CRITICAL severity.
  • No zero-day vulnerabilities have been disclosed for Windows Server 2012 and Windows Server 2012 Server Core installation in November security bulletin released alongside the Windows Updates on 11 November 2025.

Servicing Stack Update KB5071813

The Servicing Stack Update for Windows Server 2012 for November 2025 is KB5071813. It corresponds to KB5068907 ESU.

For automated deployments of KB5068907 through the Windows Update program, the Servicing Stack Update KB5071813 is offered for installation as part of the installation process of the monthly rollup update KB5066875.

The Servicing Stack Update file is a small file around 10 MB size Upon installation, it would not cause server reboot.

Once the SSU is installed, you can proceed with the installation of the main monthly rollup update KB5068907.

Download KB5068907

You can download the monthly rollup update KB5068907 for Windows Server 2012 from the Windows Update Catalog page shared below:

We would reiterate that you need a valid ESU program subscription before you could install the ESU KB5068907 on Windows Server 2012.

Zero-day Vulnerabilities

No new zero-day security vulnerability has been reported for Windows Server 2012 and Windows Server 2012 Server Core installation in November month’s security bulletin released by Microsoft on 11 November 2025.

Critical vulnerabilities

There are 16 reported security vulnerabilities in Windows Server 2012 for November 2025. A single CRITICAL vulnerabily affects Windows Server 2012 and is shared below.

VulnerabilityCVSSDescription
CVE-2025-607249.8Remote Code Execution in GDI+.

Internet Explorer Cumulative Update – KB5066840

To secure the Windows Server 2012, you also need to patch Internet Explorer 11 with the latest cumulative update. KB5066840 is the cumulative update for Internet Explorer released on 14 October 2025. No new security update for Internet Explorer 11 was released in November 2025.

You can download the IE Cumulative Update for Windows Server 2012 from the link shared below:

Download Cumulative Update for Internet Explorer – KB5066840 (54.9 MB)

KB5068907 – Changelog

Since this is an ESU, the focus remains on securing the Windows Server 2012 deployments. The following changes have been reported for KB5066875:

  • [Internal Windows OS] Miscellaneous security improvements were made to internal Windows OS functionality.

Rajesh Dhawan

Simplifying technology, one step at a time.