Microsofts March 2020 Patch Tuesday is Absolutely Massive
Right on schedule, the official Patch Tuesday updates have arrived for March, including 115 vulnerability fixes. Catch up on the latest news from Microsoft and start patching.
March Patch Tuesday Updates are Now Available
Microsoft Patch Tuesday has officially arrived with 115 new patches. There are 26 Critical patches with the remaining marked Important and Moderate.
Support for Windows 7 and Windows Server 2008 (including R2) was officially ended in January, but there are plenty of updates released this month for customers who have purchased an extension agreement.
Robert Brown, Director of Services for Syxsense said, A large portion of the Critical updates released today are for the Internet Explorer browser, including four of these CVEs for Windows 7. Even if your corporate policy is to use an alternative browser, if your devices have the IE binaries on the system drive, then you must patch.
New Windows 7 Vulnerabilities
For those still using this legacy operating system, we have listed the updates you need to prioritize in this Patch Tuesday:
- CVE-2020-0832, CVE-2020-0833, CVE-2020-0824, CVE-2020-0847 – Internet Explorer 11 – In a web-based attack scenario, an attacker could host a specially crafted website that is designed to exploit the vulnerability through Internet Explorer and then convince a user to view the website. The security update addresses the vulnerability by modifying how the scripting engine handles objects in memory.
- CVE-2020-0844 – Connected User Experiences and Telemetry Service – The security update addresses the vulnerability by correcting how the Connected User Experiences and Telemetry Service handles file operations.
- CVE-2020-0645 – Microsoft IIS Server Tampering – The update addresses the vulnerability by modifying how IIS Server handles malformed request headers.
- CVE-2020-0788, CVE-2020-0877, CVE-2020-0887 – Win32k Elevation – The update addresses this vulnerability by correcting how Win32k handles objects in memory.
- CVE-2020-0787 – Windows Background Intelligent Transfer Service – The security update addresses the vulnerability by correcting how Windows BITS handles symbolic links.
- CVE-2020-0769 – Windows CSC – The security update addresses the vulnerability by correcting how the Windows CSC Service handles memory.
- CVE-2020-0849 Windows Hard Link – The security update addresses the vulnerability by correcting how Windows handles hard links.
- CVE-2020-0779 – Windows Installer – The security update addresses the vulnerability by modifying how reparse points are handled by the Windows Installer.
- CVE-2020-0778 – Windows Network Connections Service – The security update addresses the vulnerability by ensuring the Windows Network Connections Service properly handles objects in memory.
Syxsense Recommendations
Based on the vendor severity and CVSS score, we have made a few recommendations below which you should prioritize this month. Please pay close attention to any of these which are Publicly Aware and / or Weaponized.
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| CVE Ref. | Description | Vendor Severity | CVSS Base Score | Counter-measure | Publicly Aware | Weaponized | Syxsense Recommended |
| CVE-2020-0852 | Microsoft Word Remote Code Execution Vulnerability | Critical | TBC | No | No | No | Yes |
| CVE-2020-0905 | Dynamics Business Central Remote Code Execution Vulnerability | Critical | TBC | No | No | No | Yes |
| CVE-2020-0684 | LNK Remote Code Execution Vulnerability | Critical | TBC | No | No | No | Yes |
| CVE-2020-0801 | Media Foundation Memory Corruption Vulnerability | Critical | 7.8 | No | No | No | Yes |
| CVE-2020-0807 | Media Foundation Memory Corruption Vulnerability | Critical | 7.8 | No | No | No | Yes |
| CVE-2020-0809 | Media Foundation Memory Corruption Vulnerability | Critical | 7.8 | No | No | No | Yes |
| CVE-2020-0869 | Media Foundation Memory Corruption Vulnerability | Critical | 7.8 | No | No | No | Yes |
| CVE-2020-0768 | Microsoft Browser Memory Corruption Vulnerability | Critical | 7.5 | No | No | No | Yes |
| CVE-2020-0830 | Microsoft Browser Memory Corruption Vulnerability | Critical | 7.5 | No | No | No | Yes |
| CVE-2020-0832 | Scripting Engine Memory Corruption Vulnerability | Critical | 7.5 | No | No | No | Yes |
| CVE-2020-0833 | Scripting Engine Memory Corruption Vulnerability | Critical | 7.5 | No | No | No | Yes |
| CVE-2020-0824 | VBScript Remote Code Execution Vulnerability | Critical | 7.5 | No | No | No | Yes |
| CVE-2020-0847 | VBScript Remote Code Execution Vulnerability | Critical | 7.5 | No | No | No | Yes |
| CVE-2020-0881 | GDI+ Remote Code Execution Vulnerability | Critical | 6.7 | No | No | No | Yes |
| CVE-2020-0883 | GDI+ Remote Code Execution Vulnerability | Critical | 6.7 | No | No | No | Yes |
| CVE-2020-0811 | Chakra Scripting Engine Memory Corruption Vulnerability | Critical | 4.2 | No | No | No | Yes |
| CVE-2020-0812 | Chakra Scripting Engine Memory Corruption Vulnerability | Critical | 4.2 | No | No | No | Yes |
| CVE-2020-0816 | Microsoft Edge Memory Corruption Vulnerability | Critical | 4.2 | No | No | No | Yes |
| CVE-2020-0823 | Scripting Engine Memory Corruption Vulnerability | Critical | 4.2 | No | No | No | Yes |
| CVE-2020-0825 | Scripting Engine Memory Corruption Vulnerability | Critical | 4.2 | No | No | No | Yes |
| CVE-2020-0826 | Scripting Engine Memory Corruption Vulnerability | Critical | 4.2 | No | No | No | Yes |
| CVE-2020-0827 | Scripting Engine Memory Corruption Vulnerability | Critical | 4.2 | No | No | No | Yes |
| CVE-2020-0828 | Scripting Engine Memory Corruption Vulnerability | Critical | 4.2 | No | No | No | Yes |
| CVE-2020-0829 | Scripting Engine Memory Corruption Vulnerability | Critical | 4.2 | No | No | No | Yes |
| CVE-2020-0831 | Scripting Engine Memory Corruption Vulnerability | Critical | 4.2 | No | No | No | Yes |
| CVE-2020-0848 | Scripting Engine Memory Corruption Vulnerability | Critical | 4.2 | No | No | No | Yes |
| CVE-2020-0844 | Connected User Experiences and Telemetry Service Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0793 | Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0762 | Microsoft Defender Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0763 | Microsoft Defender Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0808 | Provisioning Runtime Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0788 | Win32k Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0834 | Windows ALPC Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0787 | Windows Background Intelligent Transfer Service Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0769 | Windows CSC Service Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0771 | Windows CSC Service Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0819 | Windows Device Setup Manager Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0810 | Windows Diagnostics Hub Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0776 | Windows Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0858 | Windows Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0772 | Windows Error Reporting Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0806 | Windows Error Reporting Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0791 | Windows Graphics Component Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0840 | Windows Hard Link Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0841 | Windows Hard Link Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0849 | Windows Hard Link Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0896 | Windows Hard Link Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0798 | Windows Installer Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0814 | Windows Installer Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0842 | Windows Installer Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0843 | Windows Installer Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0799 | Windows Kernel Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0822 | Windows Language Pack Installer Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0802 | Windows Network Connections Service Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0803 | Windows Network Connections Service Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0804 | Windows Network Connections Service Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0845 | Windows Network Connections Service Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0857 | Windows Search Indexer Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0867 | Windows Update Orchestrator Service Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0868 | Windows Update Orchestrator Service Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0797 | Windows Work Folder Service Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0800 | Windows Work Folder Service Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0864 | Windows Work Folder Service Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0865 | Windows Work Folder Service Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0866 | Windows Work Folder Service Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0897 | Windows Work Folder Service Elevation of Privilege Vulnerability | Important | 7.8 | No | No | No | Yes |
| CVE-2020-0758 | Azure DevOps Elevation of Privilege Vulnerability | Important | TBC | No | No | No | |
| CVE-2020-0815 | Azure DevOps Elevation of Privilege Vulnerability | Important | TBC | No | No | No | |
| CVE-2020-0700 | Azure DevOps Server Cross-site Scripting Vulnerability | Important | TBC | No | No | No | |
| CVE-2020-0903 | Microsoft Exchange Server Spoofing Vulnerability | Important | TBC | No | No | No | |
| CVE-2020-0893 | Microsoft Office SharePoint XSS Vulnerability | Important | TBC | No | No | No | |
| CVE-2020-0894 | Microsoft Office SharePoint XSS Vulnerability | Important | TBC | No | No | No | |
| CVE-2020-0795 | Microsoft SharePoint Reflective XSS Vulnerability | Important | TBC | No | No | No | |
| CVE-2020-0891 | Microsoft SharePoint Reflective XSS Vulnerability | Important | TBC | No | No | No | |
| CVE-2020-0884 | Microsoft Visual Studio Spoofing Vulnerability | Important | TBC | No | No | No | |
| CVE-2020-0850 | Microsoft Word Remote Code Execution Vulnerability | Important | TBC | No | No | No | |
| CVE-2020-0851 | Microsoft Word Remote Code Execution Vulnerability | Important | TBC | No | No | No | |
| CVE-2020-0855 | Microsoft Word Remote Code Execution Vulnerability | Important | TBC | No | No | No | |
| CVE-2020-0892 | Microsoft Word Remote Code Execution Vulnerability | Important | TBC | No | No | No | |
| CVE-2020-0872 | Remote Code Execution Vulnerability in Application Inspector | Important | TBC | No | No | No | |
| CVE-2020-0902 | Service Fabric Elevation of Privilege | Important | TBC | No | No | No | |
| CVE-2020-0789 | Visual Studio Extension Installer Service Denial of Service Vulnerability | Important | TBC | No | No | No | |
| CVE-2020-0770 | Windows ActiveX Installer Service Elevation of Privilege Vulnerability | Important | TBC | No | No | No | |
| CVE-2020-0773 | Windows ActiveX Installer Service Elevation of Privilege Vulnerability | Important | TBC | No | No | No | |
| CVE-2020-0860 | Windows ActiveX Installer Service Elevation of Privilege Vulnerability | Important | TBC | No | No | No | |
| CVE-2020-0645 | Microsoft IIS Server Tampering Vulnerability | Important | 7.5 | No | No | No | |
| CVE-2020-0854 | Windows Mobile Device Management Diagnostics Elevation of Privilege Vulnerability | Important | 7.1 | No | No | No | |
| CVE-2020-0786 | Windows Tile Object Service Denial of Service Vulnerability | Important | 7.1 | No | No | No | |
| CVE-2020-0690 | DirectX Elevation of Privilege Vulnerability | Important | 7 | No | No | No | |
| CVE-2020-0877 | Win32k Elevation of Privilege Vulnerability | Important | 7 | No | No | No | |
| CVE-2020-0887 | Win32k Elevation of Privilege Vulnerability | Important | 7 | No | No | No | |
| CVE-2020-0876 | Win32k Information Disclosure Vulnerability | Important | 7 | No | No | No | |
| CVE-2020-0898 | Windows Graphics Component Elevation of Privilege Vulnerability | Important | 7 | No | No | No | |
| CVE-2020-0779 | Windows Installer Elevation of Privilege Vulnerability | Important | 7 | No | No | No | |
| CVE-2020-0778 | Windows Network Connections Service Elevation of Privilege Vulnerability | Important | 7 | No | No | No | |
| CVE-2020-0780 | Windows Network List Service Elevation of Privilege Vulnerability | Important | 7 | No | No | No | |
| CVE-2020-0781 | Windows UPnP Service Elevation of Privilege Vulnerability | Important | 7 | No | No | No | |
| CVE-2020-0783 | Windows UPnP Service Elevation of Privilege Vulnerability | Important | 7 | No | No | No |
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