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Cyber Security Agency of Singapore
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Monthly Patch

February 2021 Monthly Patch Release

10 February 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-Feb

Separately, Microsoft has detected CVE-2021-1732, an escalation of privileges vulnerability in Win32K, to be exploited in the wild. Users and administrators are advised to apply the necessary patches immediately. For more information, please refer to 

https://us-cert.cisa.gov/ncas/current-activity/2021/02/09/microsoft-warns-windows-win32k-privilege-escalation

Critical vulnerabilities

CVE Number

CVE Name

Base Score

Reference

CVE-2021-24094

Windows TCP/IP Remote Code Execution Vulnerability

9.8

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24094

CVE-2021-24074

Windows TCP/IP Remote Code Execution Vulnerability

9.8

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24074

CVE-2021-24077

Windows Fax Service Remote Code Execution Vulnerability

9.8

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24077

CVE-2021-24078

Windows DNS Server Remote Code Execution Vulnerability

9.8

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24078

CVE-2021-24088

Windows Local Spooler Remote Code Execution Vulnerability

8.8

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24088

CVE-2021-24093

Windows Graphics Component Remote Code Execution Vulnerability

8.8

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24093

CVE-2021-1722

Windows Fax Service Remote Code Execution Vulnerability

8.1

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1722

CVE-2021-26701

.NET Core Remote Code Execution Vulnerability

8.1

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26701

CVE-2021-24112

.NET Core Remote Code Execution Vulnerability

8.1

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24112

CVE-2021-24091

Windows Camera Codec Pack Remote Code Execution Vulnerability

7.8

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24091

CVE-2021-24081

Microsoft Windows Codecs Library Remote Code Execution Vulnerability

7.8

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24081

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