High Threat Security Alert (A23-04-06): Multiple Vulnerabilities in Microsoft Products (April 2023)
12 April 2023
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/2023-Apr
Reports indicated that an elevation of privilege vulnerability (CVE-2023-28252) in Microsoft Windows and Server is being exploited in the wild. In addition, multiple remote code execution vulnerabilities (CVE-2023-21554, CVE-2023-28219, CVE-2023-28220, CVE-2023-28231, CVE-2023-28232, CVE-2023-28250 and CVE-2023-28291) are also at a high risk of exploitation. System administrators and users are advised to take immediate action to patch your affected systems to mitigate the elevated risk of cyber attacks.
Microsoft Windows 10, 11
Microsoft Windows Server 2008, 2008 R2, 2012, 2012 R2, 2016, 2019, 2022
Microsoft Office 2019, 2019 for Mac, LTSC 2021, LTSC for Mac 2021
Microsoft 365 Apps for Enterprise
Microsoft Dynamics 365 (on-premises) version 9.0, 9.1
Microsoft Publisher 2013, 2013 RT, 2016
Microsoft SharePoint Foundation 2013
Microsoft SharePoint Enterprise Server 2013, 2016
Microsoft SharePoint Server 2019, Subscription Edition
Microsoft SQL Server 2008, 2008 R2, 2012, 2014, 2016, 2017, 2019, 2022
Microsoft ODBC Driver 17, 18 for SQL Server
Microsoft OLE DB Driver 18, 19 for SQL Server
Microsoft Visual Studio 2017, 2019, 2022
Visual Studio Code
.NET 6.0, 7.0
Azure Machine Learning
Azure Service Connector
Microsoft Malware Protection Engine
Depending on the vulnerability exploited, a successful attack could lead to remote code execution, denial of service, elevation of privilege, information disclosure, security feature bypass and spoofing.
Patches for affected products are available from the Windows Update / Microsoft Update Catalog. System administrators and users of affected systems should follow the recommendations provided by the product vendor and take immediate actions to mitigate the risk.