Windows 10 · 2016 · Release · Security update (Patch Tuesday)

June 8, 2021—KB5003638 (OS Build 14393.4467) - EXPIRED

All 2016 builds JSON — this build from the builds API

What's in this update

Updates to improve Windows OLE (compound documents) security. Updates for verifying usernames and passwords. Updates for storing and managing files.

From Microsoft's release notes for KB5003638.

Microsoft's known issues — KB5003638

  • Issue Known issue After installing this or later updates, apps accessing event logs on remote devices might be unable to connect. This issue might occur if the local or remote has not yet installed updates released June 8, 2021 or later. Affected apps are using certain legacy Event Logging APIs . You might receive an error when attempting to connect, for example: error 5: access is denied error 1764: The requested operation is not supported. System.InvalidOperationException, Microsoft.PowerShell.Commands.GetEventLogCommand Windows has not provided an error code. Note Event Viewer and other apps using current non-legacy APIs to access event logs should not be affected. Workaround: This is expected due to security hardening changes relating to Event Tracing for Windows (ETW) for CVE-2021-31958 . This issue is resolved if the local and remote devices both have installed updates released June 8, 2021 or later.
  • Issue Known issue After installing updates released April 22, 2021 or later, an issue occurs that affects versions of Windows Server that are in use as a Key Management Services (KMS) host. Client devices running Windows 10 Enterprise LTSC 2019 and Windows 10 Enterprise LTSC 2016 might fail to activate. This issue only occurs when using a new Customer Support Volume License Key (CSVLK). Note This does not affect activation of any other version or edition of Windows.Client devices that are attempting to activate and are affected by this issue might receive the error, "Error: 0xC004F074. The Software Licensing Service reported that the computer could not be activated. No Key Management Service (KMS) could be co Workaround: This issue is resolved in KB5010359 .

Microsoft's release notes for KB5003638 ›

Known issues — reported on the forum

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In the news

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Discussed on the forum

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