The security updates for January 2023 have been released by Microsoft.

January 2023 Security Updates

Updates this Month

This release consists of security updates for the following products, features and roles.

• .NET Core
• 3D Builder
• Azure Service Fabric Container
• Microsoft Bluetooth Driver
• Microsoft Exchange Server
• Microsoft Graphics Component
• Microsoft Local Security Authority Server (lsasrv)
• Microsoft Message Queuing
• Microsoft Office
• Microsoft Office SharePoint
• Microsoft Office Visio
• Microsoft WDAC OLE DB provider for SQL
• Visual Studio Code
• Windows ALPC
• Windows Ancillary Function Driver for WinSock
• Windows Authentication Methods
• Windows Backup Engine
• Windows Bind Filter Driver
• Windows BitLocker
• Windows Boot Manager
• Windows Credential Manager
• Windows Cryptographic Services
• Windows DWM Core Library
• Windows Error Reporting
• Windows Event Tracing
• Windows IKE Extension
• Windows Installer
• Windows Internet Key Exchange (IKE) Protocol
• Windows iSCSI
• Windows Kernel
• Windows Layer 2 Tunneling Protocol
• Windows LDAP - Lightweight Directory Access Protocol
• Windows Local Security Authority (LSA)
• Windows Local Session Manager (LSM)
• Windows Malicious Software Removal Tool
• Windows Management Instrumentation
• Windows MSCryptDImportKey
• Windows NTLM
• Windows ODBC Driver
• Windows Overlay Filter
• Windows Point-to-Point Tunneling Protocol
• Windows Print Spooler Components
• Windows Remote Access Service L2TP Driver
• Windows RPC API
• Windows Secure Socket Tunneling Protocol (SSTP)
• Windows Smart Card
• Windows Task Scheduler
• Windows Virtual Registry Provider
• Windows Workstation Service

Please note the following information regarding the security updates:

Security Update Guide Blog Posts

Date	Blog Post
January 6, 2023	Publishing CBL-Mariner CVEs on the Security Update Guide CVRF API
December 29, 2022	Security Update Guide Improvement – Representing Hotpatch Updates
August 9, 2022	Security Update Guide Notification System News: Create your profile now
January 11, 2022	Coming Soon: New Security Update Guide Notification System
February 9, 2021	Continuing to Listen: Good News about the Security Update Guide API
January 13, 2021	Security Update Guide Supports CVEs Assigned by Industry Partners
December 8, 2020	Security Update Guide: Let’s keep the conversation going
November 9, 2020	Vulnerability Descriptions in the New Version of the Security Update Guide

Relevant Information

• The new Hotpatching feature is now generally available. Please see  Hotpatching feature for Windows Server Azure Edition virtual machines (VMs) for more information.
• Windows 10 updates are cumulative. The monthly security release includes all security fixes for vulnerabilities that affect Windows 10, in addition to non-security updates. The updates are available via the  Microsoft Update Catalog. For information on lifecycle and support dates for Windows 10 operating systems, please see  Windows Lifecycle Facts Sheet.
• Microsoft is improving Windows Release Notes. For more information, please see  What's next for Windows release notes.
• A list of the latest servicing stack updates for each operating system can be found in  ADV990001. This list will be updated whenever a new servicing stack update is released. It is important to install the latest servicing stack update.
• In addition to security changes for the vulnerabilities, updates include defense-in-depth updates to help improve security-related features.
• Customers running Windows 7, Windows Server 2008 R2, or Windows Server 2008 need to purchase the Extended Security Update to continue receiving security updates. See  4522133 for more information.

FAQs, Mitigations, and Workarounds

The following CVEs have FAQs, Mitigations, or Workarounds. You can see these in more detail from the Vulnerabilities tab by selecting FAQs, Mitigations and Workarounds columns in the Edit Columns panel.

• CVE-2023-21524
• CVE-2023-21525
• CVE-2023-21531
• CVE-2023-21532
• CVE-2023-21535
• CVE-2023-21536
• CVE-2023-21537
• CVE-2023-21539
• CVE-2023-21540
• CVE-2023-21541
• CVE-2023-21542
• CVE-2023-21543
• CVE-2023-21546
• CVE-2023-21548
• CVE-2023-21549
• CVE-2023-21550
• CVE-2023-21551
• CVE-2023-21552
• CVE-2023-21555
• CVE-2023-21556
• CVE-2023-21557
• CVE-2023-21558
• CVE-2023-21559
• CVE-2023-21560
• CVE-2023-21561
• CVE-2023-21563
• CVE-2023-21674
• CVE-2023-21675
• CVE-2023-21676
• CVE-2023-21678
• CVE-2023-21679
• CVE-2023-21680
• CVE-2023-21681
• CVE-2023-21682
• CVE-2023-21724
• CVE-2023-21725
• CVE-2023-21726
• CVE-2023-21730
• CVE-2023-21732
• CVE-2023-21733
• CVE-2023-21734
• CVE-2023-21735
• CVE-2023-21736
• CVE-2023-21737
• CVE-2023-21738
• CVE-2023-21739
• CVE-2023-21741
• CVE-2023-21742
• CVE-2023-21743
• CVE-2023-21744
• CVE-2023-21745
• CVE-2023-21746
• CVE-2023-21747
• CVE-2023-21748
• CVE-2023-21749
• CVE-2023-21750
• CVE-2023-21752
• CVE-2023-21753
• CVE-2023-21754
• CVE-2023-21755
• CVE-2023-21759
• CVE-2023-21760
• CVE-2023-21761
• CVE-2023-21762
• CVE-2023-21763
• CVE-2023-21764
• CVE-2023-21765
• CVE-2023-21766
• CVE-2023-21767
• CVE-2023-21768
• CVE-2023-21771
• CVE-2023-21772
• CVE-2023-21773
• CVE-2023-21774
• CVE-2023-21776
• CVE-2023-21779
• CVE-2023-21780
• CVE-2023-21781
• CVE-2023-21782
• CVE-2023-21783
• CVE-2023-21784
• CVE-2023-21785
• CVE-2023-21786
• CVE-2023-21787
• CVE-2023-21788
• CVE-2023-21789
• CVE-2023-21790
• CVE-2023-21791
• CVE-2023-21792
• CVE-2023-21793

Known Issues

You can see these in more detail from the Deployments tab by selecting Known Issues column in the Edit Columns panel.

For more information about Windows Known Issues, please see  Windows message center (links to currently-supported versions of Windows are in the left pane).

KB Article	Applies To
5022143	Microsoft Exchange Server 2016
5022188	Microsoft Exchange Server 2013
5022193	Microsoft Exchange Server 2019
5022286	Windows 10, version 1809, Windows Server 2019
5022303	Windows 11 version 22H2
5022338	Windows 7, Windows Server 2008 R2 (Monthly Rollup)
5022339	Windows 7, Windows Server 2008 R2 (Security-only update)
5022340	Windows Server 2008 (Monthly Rollup)
5022343	Windows Server 2012 (Security-only update)
5022346	Windows 8.1, Windows Server 2012 R2 (Security-only update)
5022348	Windows Server 2012 (Monthly Rollup)
5022352	Windows 8.1, Windows Server 2012 R2 (Monthly Rollup)
5022353	Windows Server 2008 (Security-only update)

Security Update Guide - Microsoft Security Response Center