The security updates for April 2023 have been released by Microsoft.
April 2023 Security Updates
Updates this Month
This release consists of security updates for the following products, features and roles.
- .NET Core
- Azure Machine Learning
- Azure Service Connector
- Microsoft Bluetooth Driver
- Microsoft Defender for Endpoint
- Microsoft Dynamics
- Microsoft Dynamics 365 Customer Voice
- Microsoft Edge (Chromium-based)
- Microsoft Graphics Component
- Microsoft Message Queuing
- Microsoft Office
- Microsoft Office Publisher
- Microsoft Office SharePoint
- Microsoft Office Word
- Microsoft PostScript Printer Driver
- Microsoft Printer Drivers
- Microsoft WDAC OLE DB provider for SQL
- Microsoft Windows DNS
- Visual Studio
- Visual Studio Code
- Windows Active Directory
- Windows ALPC
- Windows Ancillary Function Driver for WinSock
- Windows Boot Manager
- Windows Clip Service
- Windows CNG Key Isolation Service
- Windows Common Log File System Driver
- Windows DHCP Server
- Windows Enroll Engine
- Windows Error Reporting
- Windows Group Policy
- Windows Internet Key Exchange (IKE) Protocol
- Windows Kerberos
- Windows Kernel
- Windows Layer 2 Tunneling Protocol
- Windows Lock Screen
- Windows Netlogon
- Windows Network Address Translation (NAT)
- Windows Network File System
- Windows Network Load Balancing
- Windows NTLM
- Windows PGM
- Windows Point-to-Point Protocol over Ethernet (PPPoE)
- Windows Point-to-Point Tunneling Protocol
- Windows Raw Image Extension
- Windows RDP Client
- Windows Registry
- Windows RPC API
- Windows Secure Boot
- Windows Secure Channel
- Windows Secure Socket Tunneling Protocol (SSTP)
- Windows Transport Security Layer (TLS)
- Windows Win32K
Please note the following information regarding the security updates:
Security Update Guide Blog Posts
Date Blog Post 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-2023-21554
- CVE-2023-21727
- CVE-2023-21729
- CVE-2023-23375
- CVE-2023-23384
- CVE-2023-24860
- CVE-2023-24883
- CVE-2023-24884
- CVE-2023-24885
- CVE-2023-24886
- CVE-2023-24887
- CVE-2023-24893
- CVE-2023-24912
- CVE-2023-24914
- CVE-2023-24924
- CVE-2023-24925
- CVE-2023-24926
- CVE-2023-24927
- CVE-2023-24928
- CVE-2023-24929
- CVE-2023-24935
- CVE-2023-28216
- CVE-2023-28218
- CVE-2023-28219
- CVE-2023-28220
- CVE-2023-28221
- CVE-2023-28222
- CVE-2023-28223
- CVE-2023-28224
- CVE-2023-28225
- CVE-2023-28226
- CVE-2023-28227
- CVE-2023-28228
- CVE-2023-28229
- CVE-2023-28231
- CVE-2023-28232
- CVE-2023-28233
- CVE-2023-28234
- CVE-2023-28235
- CVE-2023-28236
- CVE-2023-28237
- CVE-2023-28238
- CVE-2023-28240
- CVE-2023-28243
- CVE-2023-28244
- CVE-2023-28246
- CVE-2023-28247
- CVE-2023-28248
- CVE-2023-28249
- CVE-2023-28250
- CVE-2023-28251
- CVE-2023-28252
- CVE-2023-28253
- CVE-2023-28254
- CVE-2023-28255
- CVE-2023-28256
- CVE-2023-28260
- CVE-2023-28262
- CVE-2023-28263
- CVE-2023-28266
- CVE-2023-28267
- CVE-2023-28268
- CVE-2023-28269
- CVE-2023-28270
- CVE-2023-28271
- CVE-2023-28272
- CVE-2023-28273
- CVE-2023-28274
- CVE-2023-28275
- CVE-2023-28276
- CVE-2023-28277
- CVE-2023-28278
- CVE-2023-28284
- CVE-2023-28285
- CVE-2023-28287
- CVE-2023-28288
- CVE-2023-28291
- CVE-2023-28292
- CVE-2023-28295
- CVE-2023-28296
- CVE-2023-28297
- CVE-2023-28300
- CVE-2023-28301
- CVE-2023-28304
- CVE-2023-28305
- CVE-2023-28306
- CVE-2023-28307
- CVE-2023-28308
- CVE-2023-28309
- CVE-2023-28311
- CVE-2023-28312
- CVE-2023-28313
- CVE-2023-28314
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 5002375 SharePoint Server Subscription Edition 5025221 Windows 10, version 20H2, Windows 10, version 21H2, Windows 10, version 22H2 5025224 Windows 11 version 21H2 5025229 Windows 10, Version 1809, Windows Server 2019 5025230 Windows Server 2022 5025239 Windows 11 version 22H2 5025271 Windows Server 2008 (Monthly Rollup) 5025273 Windows Server 2008 (Security-only update) 5025277 Windows Server 2008 R2 (Security-only update) 5025279 Windows Server 2008 R2 (Monthly Rollup)