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mskbMicrosoftKB4525246
HistoryNov 12, 2019 - 8:00 a.m.

November 12, 2019—KB4525246 (Monthly Rollup)

2019-11-1208:00:00
Microsoft
support.microsoft.com
346

9.9 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

7.4 High

AI Score

Confidence

Low

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.971 High

EPSS

Percentile

99.8%

November 12, 2019—KB4525246 (Monthly Rollup)

Improvements and fixes

This security update includes improvements and fixes that were a part of update KB4520013(released October 15, 2019) and addresses the following issues:

  • Addresses an issue that prevents a 16-bit Visual Basic 3(VB3) application or other VB3 applications from running.
  • Addresses an issue with temporary user profiles in an environment in which user profile disks (UPD) are deployed and cached roaming profiles are not deleted when the “Delete cached copies of roaming profiles” policy is enabled.
  • Addresses an issue that causes only one Bluetooth Basic Rate device to function properly on some Bluetooth controllers after installing the August 13, 2019 update.
  • Addresses an issue that causes error 0x7E when you connect Bluetooth devices after installing the June 11, 2019 update.
  • Provides protections against the Intel® Processor Machine Check Error vulnerability (CVE-2018-12207). Use the registry setting as described in the Guidance KB article_. _(This registry setting is disabled by default.)
  • Provides protections against the Intel® Transactional Synchronization Extensions (Intel® TSX) Transaction Asynchronous Abort vulnerability (CVE-2019-11135). Use the registry settings as described in the Windows Server article_. _(These registry settings are disabled by default for Windows Server OS editions.)
  • Security updates to the Microsoft Scripting Engine, Internet Explorer, Microsoft Graphics Component, Windows Input and Composition, Windows Cryptography, Windows Virtualization, Windows Kernel, Windows Datacenter Networking, and the Microsoft JET Database Engine.
    For more information about the resolved security vulnerabilities, please refer to the Security Update Guide.

Known issues in this update

Symptom Workaround
Certain operations, such as rename, 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:
  • Perform the operation from a process that has administrator privilege.
  • Perform the operation from a node that doesn’t have CSV ownership.
    Microsoft is working on a resolution and will provide an update in an upcoming release.

How to get this update

Before installing this updateMicrosoft strongly recommends you install the latest servicing stack update (SSU) for your operating system before installing the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes. If you are using Windows Update, the latest SSU (KB4523208) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the Microsoft 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 configure Products and Classifications as follows:Product: Windows Server 2012, Windows Embedded 8 StandardClassification: Security Updates File informationFor a list of the files that are provided in this update, download the file information for update 4525246.

9.9 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

7.4 High

AI Score

Confidence

Low

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.971 High

EPSS

Percentile

99.8%