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mskbMicrosoftKB5026456
HistoryMay 09, 2023 - 7:00 a.m.

May 9, 2023— KB5026456 (OS Build 20348.1724)

2023-05-0907:00:00
Microsoft
support.microsoft.com
120
kb5026456
security update
internal os functionality
windows update
wsus
microsoft update catalog

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.5

Confidence

High

EPSS

0.529

Percentile

97.6%

May 9, 2023— KB5026456 (OS Build 20348.1724)

Improvements and fixes

This security update includes quality improvements. When you install this KB:

  • This update makes miscellaneous security improvements to internal OS functionality. No additional issues were documented for this release.
    If you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.

How to get this update

Before installing this updateMicrosoft now combines the latest servicing stack update (SSU) for your operating system with the hotpatch update. For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.If you are using Windows Update or Windows Server Update Services (WSUS), the latest SSU will be installed with this update.Install this updateRelease Channel Available Next Step
Windows Update Yes None. This update will be downloaded and installed automatically from Windows Update.
Microsoft Update Catalog No 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 Server 2022 Datacenter: Azure Edition HotpatchClassification: Security Updates
File informationFor a list of the files that are provided in this update, download the file information for cumulative update 5026456.For a list of the files that are provided in the servicing stack update, download the file information for the SSU - version 20348.1720.

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.5

Confidence

High

EPSS

0.529

Percentile

97.6%