Microsoft April security updates


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Windows 11
This release consists of the following 149 Microsoft CVEs:
CVE Base Score CVSS Vector Exploitability FAQs? Workarounds? Mitigations?
Windows BitLocker CVE-2024-20665
Windows Secure Boot CVE-2024-20669
Microsoft Office Outlook CVE-2024-20670
Azure Private 5G Core CVE-2024-20685
Windows Secure Boot CVE-2024-20688
Windows Secure Boot CVE-2024-20689
Windows Kernel CVE-2024-20693
Microsoft Defender for IoT CVE-2024-21322
Microsoft Defender for IoT CVE-2024-21323
Microsoft Defender for IoT CVE-2024-21324
.NET and Visual Studio CVE-2024-21409
Azure Compute Gallery CVE-2024-21424
Windows Authentication Methods CVE-2024-21447
Microsoft Install Service CVE-2024-26158
Windows Secure Boot CVE-2024-26168
Windows Secure Boot CVE-2024-26171
Windows DWM Core Library CVE-2024-26172
Windows Secure Boot CVE-2024-26175
Windows Routing and Remote Access Service (RRAS) CVE-2024-26179
Windows Secure Boot CVE-2024-26180
Windows Kerberos CVE-2024-26183
Windows Secure Boot CVE-2024-26189
Azure Migrate CVE-2024-26193
Windows Secure Boot CVE-2024-26194
Windows DHCP Server CVE-2024-26195
Windows Routing and Remote Access Service (RRAS) CVE-2024-26200
Windows DHCP Server CVE-2024-26202
Windows Routing and Remote Access Service (RRAS) CVE-2024-26205
Windows Remote Access Connection Manager CVE-2024-26207
Windows Message Queuing CVE-2024-26208
Windows Local Security Authority Subsystem Service (LSASS) CVE-2024-26209
Microsoft WDAC OLE DB provider for SQL CVE-2024-26210
Windows Remote Access Connection Manager CVE-2024-26211
Windows DHCP Server CVE-2024-26212
Microsoft Brokering File System CVE-2024-26213
Microsoft WDAC ODBC Driver CVE-2024-26214
Windows DHCP Server CVE-2024-26215
Windows File Server Resource Management Service CVE-2024-26216
Windows Remote Access Connection Manager CVE-2024-26217
Windows Kernel CVE-2024-26218
Windows HTTP.sys CVE-2024-26219
Windows Mobile Hotspot CVE-2024-26220
Role: DNS Server CVE-2024-26221
Role: DNS Server CVE-2024-26222
Role: DNS Server CVE-2024-26223
Role: DNS Server CVE-2024-26224
Windows Distributed File System (DFS) CVE-2024-26226
Role: DNS Server CVE-2024-26227
Windows Cryptographic Services CVE-2024-26228
Windows Kernel CVE-2024-26229
Windows Remote Access Connection Manager CVE-2024-26230
Role: DNS Server CVE-2024-26231
Windows Message Queuing CVE-2024-26232
Role: DNS Server CVE-2024-26233
Windows Proxy Driver CVE-2024-26234
Windows Update Stack CVE-2024-26235
Windows Update Stack CVE-2024-26236
Windows Defender Credential Guard CVE-2024-26237
Windows Remote Access Connection Manager CVE-2024-26239
Windows Secure Boot CVE-2024-26240
Windows Win32K - ICOMP CVE-2024-26241
Windows Telephony Server CVE-2024-26242
Windows USB Print Driver CVE-2024-26243
Microsoft WDAC OLE DB provider for SQL CVE-2024-26244
Windows Kernel CVE-2024-26245
Windows Kerberos CVE-2024-26248
Windows Secure Boot CVE-2024-26250
Microsoft Office SharePoint CVE-2024-26251
Windows Internet Connection Sharing (ICS) CVE-2024-26252
Windows Internet Connection Sharing (ICS) CVE-2024-26253
Windows Virtual Machine Bus CVE-2024-26254
Windows Remote Access Connection Manager CVE-2024-26255
Windows Compressed Folder CVE-2024-26256
Microsoft Office Excel CVE-2024-26257
Windows Secure Boot CVE-2024-28896
Windows Secure Boot CVE-2024-28897
Windows Secure Boot CVE-2024-28898
Windows Remote Access Connection Manager CVE-2024-28900
Windows Remote Access Connection Manager CVE-2024-28901
Windows Remote Access Connection Manager CVE-2024-28902
Windows Secure Boot CVE-2024-28903
Microsoft Brokering File System CVE-2024-28904
Microsoft Brokering File System CVE-2024-28905
SQL Server CVE-2024-28906
Microsoft Brokering File System CVE-2024-28907
SQL Server CVE-2024-28908
SQL Server CVE-2024-28909
SQL Server CVE-2024-28910
SQL Server CVE-2024-28911
SQL Server CVE-2024-28912
SQL Server CVE-2024-28913
SQL Server CVE-2024-28914
SQL Server CVE-2024-28915
Azure Arc CVE-2024-28917
Windows Secure Boot CVE-2024-28919
Windows Secure Boot CVE-2024-28920
Windows Secure Boot CVE-2024-28921
Windows Secure Boot CVE-2024-28922
Windows Secure Boot CVE-2024-28923
Windows Secure Boot CVE-2024-28924
Windows Secure Boot CVE-2024-28925
SQL Server CVE-2024-28926
SQL Server CVE-2024-28927
SQL Server CVE-2024-28929
SQL Server CVE-2024-28930
SQL Server CVE-2024-28931
SQL Server CVE-2024-28932
SQL Server CVE-2024-28933
SQL Server CVE-2024-28934
SQL Server CVE-2024-28935
SQL Server CVE-2024-28936
SQL Server CVE-2024-28937
SQL Server CVE-2024-28938
SQL Server CVE-2024-28939
SQL Server CVE-2024-28940
SQL Server CVE-2024-28941
SQL Server CVE-2024-28942
SQL Server CVE-2024-28943
SQL Server CVE-2024-28944
SQL Server CVE-2024-28945
SQL Server CVE-2024-29043
SQL Server CVE-2024-29044
SQL Server CVE-2024-29045
SQL Server CVE-2024-29046
SQL Server CVE-2024-29047
SQL Server CVE-2024-29048
Microsoft Edge (Chromium-based) CVE-2024-29049
Windows Cryptographic Services CVE-2024-29050
Windows Storage CVE-2024-29052
Microsoft Defender for IoT CVE-2024-29053
Microsoft Defender for IoT CVE-2024-29054
Microsoft Defender for IoT CVE-2024-29055
Windows Authentication Methods CVE-2024-29056
Windows Secure Boot CVE-2024-29061
Windows Secure Boot CVE-2024-29062
Azure AI Search CVE-2024-29063
Role: Windows Hyper-V CVE-2024-29064
Windows Distributed File System (DFS) CVE-2024-29066
Microsoft Edge (Chromium-based) CVE-2024-29981
SQL Server CVE-2024-29982
SQL Server CVE-2024-29983
SQL Server CVE-2024-29984
SQL Server CVE-2024-29985
Internet Shortcut Files CVE-2024-29988
Azure Monitor CVE-2024-29989
Microsoft Azure Kubernetes Service CVE-2024-29990
Azure SDK CVE-2024-29992
Azure CVE-2024-29993

We are republising 6 non-Microsoft CVEs:
Tag CVE FAQs? Workarounds? Mitigations?
Intel Corporation Intel CVE-2024-2201
Lenovo Windows Secure Boot CVE-2024-23593
Lenovo Windows Secure Boot CVE-2024-23594
Chrome Microsoft Edge (Chromium-based) CVE-2024-3156
Chrome Microsoft Edge (Chromium-based) CVE-2024-3158
Chrome Microsoft Edge (Chromium-based) CVE-2024-3159

Security Update Guide Blog Posts
Blog Post
April 9, 2024 Toward greater transparency: Security Update Guide now shares CWEs for CVEs
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 Resources
  • 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 and Windows 11 updates are cumulative. The monthly security release includes all security fixes for vulnerabilities that affect Windows 10 and Windows 11, 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 and Windows 11 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 Server 2008 R2, or Windows Server 2008 need to purchase the Extended Security Update to continue receiving security updates. See 4522133 for more information.
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
5036892 Windows 10, version 21H2, Windows 10, version 22H2
5036932 Windows Server 2008 (Monthly Rollup)
5036950 Windows Server 2008 (Security-only update)
Released: Apr 9, 2024

April 2024 Security Updates - Release Notes - Security Update Guide - Microsoft
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