[KB5015020] AN IMPORTANT CUMULATIVE UPDATE for Windows 10 21H2 WITH MANY FIXES!

Опубликовано: 20 Май 2022
на канале: Windows Love

323

Microsoft has released an important out-of-band (OOB) update which resolves an issue that was leading to app installation failures from the Microsoft Store with an error code "0xC002001B". The issue was arising after installing the KB5011831 Windows 10 build.

After the latest Patch Tuesday updates for May (Windows 11, Windows 10), Microsoft confirmed that the update was causing domain controller authentication failures. The CISA also chimed in later requesting administrators to skip installing the Patch Tuesday for the time being. The problems were arising due to a certificate mapping bug and the company provided a temporary workaround for the problem.

Microsoft has determined that the issue was plaguing modern Intel and AMD CPU systems which supported the Intel Control-flow Enforcement Technology (CET) or the AMD equivalent Shadow Stack technology (via TechBeezer). CET helps to mitigate Return-oriented Programming (ROP) exploits or CALL/JMP-oriented programming (COP/JOP) exploits.

➤ OOB UPDATE DOWNLOAD LINK:
✓ https://www.catalog.update.microsoft....

This update includes the following improvements:
● Addresses a known issue that might cause authentication failures for some services on a server or client after you install the May 10, 2022 update on domain controllers. These services include Network Policy Server (NPS), Routing and Remote access Service (RRAS), Radius, Extensible Authentication Protocol (EAP), and Protected Extensible Authentication Protocol (PEAP). The issue affects how the domain controller manages the mapping of certificates to machine accounts. This issue only affects servers that are used as domain controllers; it does not affect client Windows devices.
● Addresses an issue that might prevent the installation of Microsoft Store apps when you enable Control-flow Enforcement.

The affected CPUs include Intel 11th Gen Tiger Lake chips, as well as 12th Gen Alder Lake CPUs. On the AMD side, the Zen 3 Ryzen 5000 and the latest Zen 3+ Ryzen 6000 series CPUs are affected.

The Microsoft advisory says:

After installing KB5011831 or later updates, you might receive an error code: 0xC002001B when attempting to install from the Microsoft Store. Some Microsoft Store apps might also fail to open. Affected Windows devices use a processor (CPU) which supports Control-flow Enforcement Technology (CET), such as such as 11th Gen and later Intel® Core™ Processors or later and certain AMD processors.

Resolution: This issue was resolved in the out-of-band update KB5015020.

➤ MORE INFORMATION & RESOURCES:
✓ https://support.microsoft.com/en-us/t...
✓ https://www.neowin.net/news/microsoft...
✓ https://www.neowin.net/news/microsoft...

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