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MicrosoftKB5011580

HistoryMar 08, 2022 - 8:00 a.m.

March 8, 2022— KB5011580 (OS Build 20348.587)

2022-03-0808:00:00

Microsoft

support.microsoft.com

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

6.8 Medium

AI Score

Confidence

Low

9 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.024 Low

EPSS

Percentile

89.7%

JSON

March 8, 2022— KB5011580 (OS Build 20348.587)

Improvements and fixes

This update contains 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 update

Microsoft 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 update

Release 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 information

For a list of the files that are provided in this update, download the file information for cumulative update 5011580 .For a list of the files that are provided in the servicing stack update, download the file information for the SSU - version 20348.587.