Microsoft pushed (again) buggy KB5012170 on patch Tuesday.

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Microsoft seemingly pushes buggy Secure Boot update again on Windows 11, Windows 10

…it looks like the Redmond has now re-published a buggy update alongside the month’s Patch Tuesday. Over on the Microsoft Update Catalog website, the KB5012170 update is available for download as a cumulative update for Windows 11 and Windows 10. The release date of the KB matches that of Patch Tuesday…

Back in August, Microsoft released security fix for a critical Secure Boot DBX GRUB vulnerability (KB5012170). The update was found to be causing issues as it was failing to install with error code 0x800f0922, and as a workaround, Microsoft suggested updating the UEFI. And a week later, Microsoft also acknowledged another issue relating to the KB5012170 update. This time, users reported that after installing the update, their systems were forced into BitLocker recovery mode, forcing the Redmond firm to provide steps to workaround the bug. Microsoft’s health dashboard still lists these bugs as “investigating” and “confirmed” implying it is possible that the buggy update has been re-pushed by the tech giant…

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nope, not issued on my mbr W10 system, so as far as I’m concerned it’s not buggy any more, yay! Had previous KB5012170 updates offered (both declined) something is now fixed 🙂

No problem can be solved from the same level of consciousness that created IT- AE

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Alex5723

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I had the original KB5012170 installed on August 11, 2022 with no problems.

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it appears that the KB5012170 updates can no longer be installed after installing the recent May 2023 updates.

for experimental purposes, I removed/uninstalled the KB5012170 update from my Win10 & Win11 PCs, rebooted, installed the respective May 2023 cumulative updates, rebooted again and attempted to install the KB5012170 updates which now say “the update is not applicable to your computer” message.

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I’m in the process of setting up a Windows 10 Home Edition computer, and will be installing updates once I get it set up.  Should I let it install KB5012170,  or should I try to prevent KB5012170 from installing?

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