March 2021 - Microsoft Releases Security Patches
Advisory Date: MAR 10, 2021
DESCRIPTION
In the November 2020 Microsoft security patch release, Microsoft updated its vulnerability information page. This update is of critical importance as it directly addresses the vulnerabilities that have been exploited by a threat actor group known as Hafnium. Microsoft acknowledged there are attacks based on these vulnerabilities.
Following the new patch information format, below are the CVEs that Trend Micro Cloud One Workload covers in the March 2021 release:
- CVE-2021-26855 - Microsoft Exchange Server Remote Code Execution Vulnerability
CVSS:3.0 9.1/8.4
- CVE-2021-26411 - Internet Explorer Memory Corruption Vulnerability
CVSS:3.0 8.8/7.9
- CVE-2021-26877 - Windows DNS Server Remote Code Execution Vulnerability
CVSS:3.0 9.8/8.5
- CVE-2021-26897 - Windows DNS Server Remote Code Execution Vulnerability
CVSS:3.0 9.8/8.5
- CVE-2021-27076 - Windows DNS Server Remote Code Execution Vulnerability
CVSS:3.0 8.8/7.7
TREND MICRO PROTECTION INFORMATION
Cloud One Workload and Deep Security shield networks through the following Deep Packet Inspection (DPI) rules. Trend Micro customers using the Vulnerability Protection are also protected from attacks using these vulnerabilities.
| Vulnerability ID | DPI Rule Number | DPI Rule Name | Release Date | Vulnerability Protection Compatibility |
| CVE-2021-26855 | 1010854 | Microsoft Exchange Server Remote Code Execution Vulnerability (CVE-2021-26855) | 9-Mar-21 | YES |
| CVE-2021-26411 | 1010857 | Microsoft Internet Explorer Memory Corruption Vulnerability (CVE-2021-26411) | 9-Mar-21 | YES |
| CVE-2021-26877 | 1010863 | Microsoft Windows DNS Server Remote Code Execution Vulnerability (CVE-2021-26877) | 9-Mar-21 | YES |
| CVE-2021-26411 | 1010857 | Microsoft Internet Explorer Memory Corruption Vulnerability (CVE-2021-26411) | 9-Mar-21 | YES |
| CVE-2021-26865 | 1010865 | Microsoft Windows DNS Server Remote Code Execution Vulnerability (CVE-2021-26897) | 9-Mar-21 | YES |
| CVE-2021-27076 | 1010864 | Microsoft SharePoint Server Remote Code Execution Vulnerability (CVE-2021-27076) | 9-Mar-21 | YES |
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