High Threat Security Alert (A22-04-13): Multiple Vulnerabilities in Microsoft Products (April 2022)


 

Published on: 13 April 2022

  
  

Description:

Microsoft has released security updates addressing multiple vulnerabilities which affect several Microsoft products or components. The list of security updates can be found at:

https://msrc.microsoft.com/update-guide/releaseNote/2022-Apr

Reports indicated that an elevation of privilege vulnerability (CVE-2022-24521) is being actively exploited and the technical details of another elevation of privilege vulnerability in Microsoft Windows and Server (CVE-2022-26904) were publicly disclosed. In addition, multiple vulnerabilities (CVE-2022-24491 and CVE-2022-26809) are also at a high risk of exploitation. System administrators are advised to take immediate action to patch your affected systems to mitigate the elevated risk of cyber attacks.

 

Affected Systems:

  • Microsoft Windows 7, 8.1, RT 8.1, 10, 11
  • Microsoft Windows Server 2008, 2008 R2, 2012, 2012 R2, 2016, 2019, 2022
  • Microsoft Windows Server, version 20H2
  • Microsoft Windows Upgrade Assistant
  • Microsoft Office 2013, 2013 RT, 2016, 2019 for Mac, LTSC 2021, LTSC for Mac 2021
  • Microsoft Office Online Server
  • Microsoft Office Web Apps Server 2013
  • Microsoft Excel 2013, 2013 RT, 2016, Excel Mobile, Excel for Android
  • Microsoft Word Mobile, Word for Android
  • Microsoft PowerPoint Mobile, PowerPoint for Android
  • Microsoft 365 Apps for Enterprise
  • Microsoft SharePoint Foundation 2013
  • Microsoft SharePoint Enterprise Server 2016
  • Microsoft SharePoint Server 2016, 2019, Subscription Edition
  • Microsoft Visual Studio 2017, 2019, 2022
  • Visual Studio 2019 for Mac version 8.10
  • Visual Studio Code
  • Microsoft .NET Framework 2.0, 3.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8
  • Microsoft Dynamics 365 (on-premises) version 9.0, 9.1
  • Microsoft Lync Server 2013
  • Microsoft Malware Protection Engine
  • Microsoft On-Premises Data Gateway
  • Azure SDK for .Net
  • Azure Site Recovery VMWare to Azure
  • HEVC Video Extensions
  • Skype for Business Server 2015, 2019
  • YARP 1.0, 1.1RC

 

Impact:

Depending on the vulnerability exploited, a successful attack could lead to remote code execution, denial of service, elevation of privilege, information disclosure and spoofing.

 

Recommendation:

Patches for affected products are available from the Windows Update / Microsoft Update Catalog. Users of affected systems should follow the recommendations provided by the product vendor and take immediate actions to mitigate the risk.

 

More Information:

  • https://msrc.microsoft.com/update-guide/releaseNote/2022-Apr
  • https://www.hkcert.org/security-bulletin/microsoft-monthly-security-update-april-2022
  • https://www.cisa.gov/uscert/ncas/current-activity/2022/04/12/microsoft-releases-april-2022-security-updates
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-21983
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22008
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22009
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23257
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23259
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23268
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23292
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-24472 (to CVE-2022-24474)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-24479
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-24481 (to CVE-2022-24500)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-24513
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-24521
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-24527
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-24528
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-24530
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-24532 (to CVE-2022-24534)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-24536 (to CVE-2022-24550)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-24765
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-24767
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-26783 (to CVE-2022-26798)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-26801 (to CVE-2022-26803)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-26807 (to CVE-2022-26832)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-26896 (to CVE-2022-26898)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-26901
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-26903
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-26904
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-26907
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-26910
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-26911
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-26914 (to CVE-2022-26921)
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-26924


Tag: Microsoft , Windows , Windows Server , Windows Upgrade Assistant , Microsoft Office , Office Online Server , Microsoft Office Web Apps , Excel , Word , PowerPoint , Microsoft 365 Apps , SharePoint , Visual Studio , Visual Studio Code , .NET Framework , Dynamics 365 , Lync , Microsoft Malware Protection Engine , On-Premises Data Gateway , Azure SDK , Azure Site Recovery , HEVC Video Extensions , Skype , YARP
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