Monthly Patch
July 2021 Monthly Patch Release
14 July 2021
Microsoft has released security patches to address multiple vulnerabilities in their software and products.
The vulnerabilities that have been classified as Critical in severity are listed in the table below.
For the full list of security patches released by Microsoft, please refer to
https://portal.msrc.microsoft.com/en-us/security-guidance/releasenotedetail/2021-Jul
Critical vulnerabilities
CVE Number | CVE Name | Base Score | Reference |
|---|---|---|---|
CVE-2021-34458 | Windows Kernel Remote Code Execution Vulnerability | 9.9 | https://msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2021-34458 |
CVE-2021-34473 | Microsoft Exchange Server Remote Code Execution Vulnerability | 9.1 | https://msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2021-34473 |
CVE-2021-34527 | Windows Print Spooler Remote Code Execution Vulnerability | 8.8 | https://msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2021-34527 |
CVE-2021-34494 | Windows DNS Server Remote Code Execution Vulnerability | 8.8 | https://msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2021-34494 |
CVE-2021-34450 | Windows Hyper-V Remote Code Execution Vulnerability | 8.5 | https://msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2021-34450 |
CVE-2021-34474 | Dynamics Business Central Remote Code Execution Vulnerability | 8.0 | https://msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2021-34474 |
CVE-2021-33740 | Windows Media Remote Code Execution Vulnerability | 7.8 | https://msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2021-33740 |
CVE-2021-34503 | Microsoft Windows Media Foundation Remote Code Execution Vulnerability | 7.8 | https://msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2021-34503 |
CVE-2021-34439 | Microsoft Windows Media Foundation Remote Code Execution Vulnerability | 7.8 | https://msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2021-34439 |
CVE-2021-34522 | Microsoft Defender Remote Code Execution Vulnerability | 7.8 | https://msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2021-34522 |
CVE-2021-34464 | Microsoft Defender Remote Code Execution Vulnerability | 7.8 | https://msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2021-34464 |
CVE-2021-34497 | Windows MSHTML Platform Remote Code Execution Vulnerability | 6.8 | https://msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2021-34497 |
CVE-2021-34448 | Scripting Engine Memory Corruption Vulnerability | 6.8 | https://msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2021-34448 |