October 3, 2019—KB4524153 (OS Build 10240.18335)
Applies To
Release Date:
10/3/2019
Version:
OS Build 10240.18335
IMPORTANT This is a required security update that expands the out-of-band update dated September 23, 2019. This security update includes theInternet Explorer scripting engine security vulnerability (CVE-2019-1367) mitigation and corrects a recent printing issue some users have experienced. Customers using Windows Update or Windows Server Update Services (WSUS) will be offered this update automatically. To help secure your devices, we recommend that you install this update as soon as a possible and restart your PC to fully apply the mitigations. Like all cumulative updates, this update supersedes any preceding update.
Note This update does not replace the upcoming October 2019 monthly update, which is scheduled to release on October 8, 2019.
For more information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the followingarticle.
Highlights
Updates an intermittent issue with the print spooler service that may cause print jobs to fail.
Improvements and fixes
This security update includes quality improvements. Key changes include:
Addresses an intermittent issue with the print spooler service that may cause print jobs to fail. Some apps may close or generate errors, such as the remote procedure call (RPC) error.
If you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.
For more information about the resolved security vulnerabilities, please refer to theSecurity Update Guide.
Windows Update Improvements
Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 feature update based on device compatibility and Windows Update for Business deferral policy. This doesn't apply to long-term servicing editions.
Known issues in this update
Symptom | Workaround |
Certain operations, such asrename, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, “STATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)”. This occurs when you perform the operation on a CSV owner node from a process that doesn’t have administrator privilege. | Do one of the following:
Microsoft is working on a resolution and will provide an update in an upcoming release. |
Applications and printer drivers that leverage the Windows Javascript engine (jscript.dll) for processing print jobs might experience one or more of the following symptoms:
| This issue was resolved in KB4520011. |
How to get this update
Before installing this update
Microsoft strongly recommends that you install the latest servicing stack update (SSU) for your operating system before installing the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU and applying Microsoft security fixes. For more information, seeServicing stack updates.
If you are using Windows Update, the latest SSU (KB4512573) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in theMicrosoft Update Catalog.
Install this update
Release Channel | Available | Next Step |
Windows Update and Microsoft Update | Yes | None. This update will be downloaded and installed automatically from Windows Update. |
Microsoft Update Catalog | Yes | To get the standalone package for this update, go to the Microsoft Update Catalog website. |
Windows Server Update Services (WSUS) | Yes | This update will automatically synchronize with WSUS if you configureProducts and Classifications as follows: Product: Windows 10 Classification: Security Updates |
File information
For a list of the files that are provided in this update, download the file information for cumulative update 4524153.
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