High Threat Security Alert (A19-12-03): Multiple Vulnerabilities in Microsoft Products (December 2019)
11 December 2019
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://support.microsoft.com/en-us/help/20191210/security-update-deployment-information-december-10-2019
Reports indicate that active exploitation against the vulnerability in Microsoft Windows and Windows Server (CVE-2019-1458) for privilege escalation have been observed. Users are advised to take immediate action to patch your affected systems to mitigate the elevated risk of cyber attacks.
Please note that Microsoft announced that the extended support for Windows 7 will be ceased on 14 January 2020 and no security updates will be provided after that. Users should arrange upgrading the Windows to Windows 10 or migrating to other supported technology.
Microsoft Internet Explorer 9, 10, 11
Microsoft Windows XP, 7, 8.1, RT 8.1, 10
Microsoft Windows Server 2008, 2008 R2, 2012, 2012 R2, 2016, 2019
Microsoft Windows Server, version 1803, version 1903, version 1909
Microsoft Office 2010, 2013, 2013 RT, 2016, 2016 for Mac, 2019, 2019 for Mac
Microsoft Office 365 ProPlus
Microsoft Excel 2010, 2013, 2013 RT, 2016
Microsoft PowerPoint 2010, 2013, 2013 RT, 2016
Microsoft Word 2010, 2013, 2013 RT, 2016
Skype for Business Server 2019
SQL Server 2017 Reporting Services, 2019 Reporting Services
Microsoft Visual Studio 2017, 2019, Live Share extension
Microsoft Authentication Library (MSAL) for Android
Power BI Report Server
A complete list of the affected products can be found at: https://portal.msrc.microsoft.com/en-us/security-guidance
Depending on the vulnerability exploited, a successful attack could lead to remote code execution, information disclosure, spoofing, elevation of privilege, denial of service, tampering and security feature bypass.
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.