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MicrosoftKB5006667
HistoryOct 12, 2021 - 12:00 a.m.

October 12, 2021—KB5006667 (OS Build 18363.1854)

2021-10-1200:00:00
Microsoft
support.microsoft.com
13

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

AI Score

Confidence

High

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.512 Medium

EPSS

Percentile

97.5%

October 12, 2021—KB5006667 (OS Build 18363.1854)

EXPIRATION NOTICEAs of 9/12/2023, KB5006667 is only available from Windows Update. This update is no longer available from the Microsoft Update Catalog, or other release channels. We recommend that you update your devices to the latest security quality update.

8/24/2021 **REMINDER **Starting in October 2021, there are no optional, non-security releases (known as “C” releases) for Windows 10, version 1909. Only cumulative monthly security updates (known as the “B” or Update Tuesday release) will continue for Windows 10, version 1909.

11/19/20
For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows 10, version 1909, see its update history page.NoteFollow @WindowsUpdate to find out when new content is published to the release information dashboard.

Highlights

  • Updates security for your Windows operating system.

Improvements and fixes

This security update includes quality improvements. Key changes include:

  • Addresses a known issue that prevents an internet print server from properly packaging modified printer properties before sending the package to the client.
  • Addresses an issue that prevents some applications, such as Microsoft Office and Adobe Reader, from opening or causes them to stop responding. This occurs on devices that are subject to Microsoft Exploit Protection for Export Address Filtering (EAF).
  • Addresses a known issue that might ask for administrative credentials every time you attempt to print. This occurs in environments in which the print server and print client are in different times zones.
  • Addresses an issue that affects network interface controller (NIC) disconnect and reconnect scenarios and might cause NICs to remain in a failed state.
    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 the new Security Update Guide website and the October 2021 Security Updates.

Windows 10 servicing stack update - 18363.1850

  • This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) ensure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.

Known issues in this update

Symptom Workaround
After installing KB5005566, installation of printers using Internet Printing Protocol (IPP) might not complete successfully. Devices which had connected to and installed the printer prior to the installation of KB5005566 are unaffected and print operations to that printer will succeed as usual.NoteIPP is not commonly used by devices designed for home use. The printing environments affected by this issue are more commonly found in enterprises and organizations. This issue is resolved in KB5007189.
After installing this update, Windows print clients might encounter the following errors when connecting to a remote printer shared on a Windows print server:
  • 0x000006e4 (RPC_S_CANNOT_SUPPORT)
  • 0x0000007c (ERROR_INVALID_LEVEL)
  • 0x00000709 (ERROR_INVALID_PRINTER_NAME)
    Note The printer connection issues described in this issue are specific to print servers and are not commonly observed in devices designed for home use. Printing environments affected by this issue are more commonly found in enterprises and organizations.| This issue is resolved in KB5008206.

How to get this update

Before installing this updateMicrosoft now combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU. For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.Prerequisite:You must install the July 13, 2021 SSU (KB5004748) before installing the LCU.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.
Windows Update for Business No No longer available.
Microsoft Update Catalog No No longer available.
Windows Server Update Services (WSUS) No No longer available.

If you want to remove the LCUTo remove the LCU after installing the combined SSU and LCU package, use the DISM/Remove-Package command line option with the LCU package name as the argument. You can find the package name by using this command:DISM /online /get-packages.Running Windows Update Standalone Installer (wusa.exe) with the**/uninstall **switch on the combined package will not work because the combined package contains the SSU. You cannot remove the SSU from the system after installation.

File informationFor a list of the files that are provided in this update, download the file information for cumulative update 5006667. For a list of the files that are provided in the servicing stack update, download the file information for the SSU - version 18363.1850.

Use Vulners API to create your own security tool

API usage cases
  • Network scanning
  • Linux Patch management
  • Threat protection
  • No network audit solution

Ways of integration

Integrate Vulners API

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

AI Score

Confidence

High

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.512 Medium

EPSS

Percentile

97.5%

Related for KB5006667