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MicrosoftKB5003174

HistoryMay 11, 2021 - 7:00 a.m.

May 11, 2021—KB5003174 (OS Build 17134.2208)

2021-05-1107:00:00

Microsoft

support.microsoft.com

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 High

AI Score

Confidence

Low

7.6 High

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.94 High

EPSS

Percentile

99.1%

JSON

May 11, 2021—KB5003174 (OS Build 17134.2208)

**UPDATED 5/11/21
REMINDER **Windows 10, version 1803, all editions, has reached end of service. After this May 11, 2021 update, devices running Windows 10, version 1803 will no longer receive monthly security and quality updates that contain protection from the latest security threats. To continue receiving security and quality updates, Microsoft recommends updating to the latest version of Windows 10.

12/8/20
For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. To view other notes and messages, see the Windows 10, version 1803 update history home page.

Highlights

Installs the new Microsoft Edge.
Updates to improve Windows OLE (compound documents) security.
Updates security for Bluetooth drivers.

Improvements and fixes

This security update includes quality improvements. Key changes include:

Removes the Microsoft Edge Legacy desktop application that is out of support and installs the new Microsoft Edge. For more information, see New Microsoft Edge to replace Microsoft Edge Legacy with April’s Windows 10 Update Tuesday release.
Security updates to Windows App Platform and Frameworks, Windows Cryptography, the Microsoft Scripting Engine, and the Windows Silicon Platform.
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.

Known issues in this update

Microsoft is not currently aware of any issues with this update.

How to get this update

Before installing this updatePrerequisite:Youmust install the May 11, 2021 servicing stack update (SSU) (KB5003364) 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 general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.If you are using Windows Update, the SSU 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.
Windows Update for Business	Yes	None. This update will be downloaded and installed automatically from Windows Update in accordance with configured policies.
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 sync with WSUS if you configure Products and Classifications as follows:Product: Windows 10Classification: Security Updates File informationFor a list of the files that are provided in this update, download the file information for cumulative update 5003174.