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/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.
Affected Systems:
- 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
Impact:
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.
Recommendation:
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.
More Information:
- https://msrc.microsoft.com/update-guide/releaseNote/2023-Apr
- https://www.hkcert.org/security-bulletin/microsoft-monthly-security-update-april-2023
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21554
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21727
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21729
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21769
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23375
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23384
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-24860
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-24883 (to CVE-2023-24887)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-24893
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-24912
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-24914
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-24924 (to CVE-2023-24929)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-24931
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28216 (to CVE-2023-28229)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28231 (to CVE-2023-28238)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28240 (to CVE-2023-28241)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28243 (to CVE-2023-28244)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28246 (to CVE-2023-28250)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28252 (to CVE-2023-28256)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28260
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28262 (to CVE-2023-28263)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28266 (to CVE-2023-28278)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28285
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28287 (to CVE-2023-28288)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28291 (to CVE-2023-28293)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28295 (to CVE-2023-28300)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28302
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28304 (to CVE-2023-28309)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28311 (to CVE-2023-28314)