Windows 10 (KB5044273 / KB5044277 / KB5044293 / KB5044286) October 2024 Patch Tuesday out

It"s the second Tuesday of the month, which means it"s Patch Tuesday time again. As such, today, Microsoft is rolling out the monthly security update (also called "B release") for October 2024 on Windows Server 20H2 and Windows 10 for the latest supported versions, 20H2, 21H2, and 22H2.

The new updates are being distributed under KB5044273, bumping up the builds to 19044.5011 and 19045.5011. You can find standalone links to download the new update on the Microsoft Update Catalog at this link.

The major highlight of the release is security patches.

Highlights

  • This update addresses security issues for your Windows operating system.

After a couple of weeks without any, known issues are back:

Known issues in this update

Symptom

Workaround

After installing this security update, you might face issues with booting Linux if you have enabled the dual-boot setup for Windows and Linux in your device. Resulting from this issue, your device might fail to boot Linux and show the error message “Verifying shim SBAT data failed: Security Policy Violation. Something has gone seriously wrong: SBAT self-check failed: Security Policy Violation.”

The August 2024 Windows security update applies a Secure Boot Advanced Targeting (SBAT) setting to devices that run Windows to block old, vulnerable boot managers. This SBAT update will not be applied to devices where dual booting is detected. On some devices, the dual-boot detection did not detect some customized methods of dual-booting and applied the SBAT value when it should not have been applied.

Please refer to the workaround mentioned in Windows release health site for this issue.

Some of the older Windows 10 versions have also received updates today, which have been listed below with their respective release notes (KB) linked as well as links to download them at Microsoft"s Update Catalog:

Version KB Build Download Support
1809

KB5044277

17763.6414

Update Catalog Long-Term Servicing Channel (LTSC)
1607

KB5044293

14393.7428

Update Catalog
1507

KB5044286

10240.20796

Update Catalog

It is noteworthy that Windows 10 20H2 and Windows 10 1909 reached the end of servicing. Non-LTSC editions of 21H2 have also reached the end of servicing.

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