Date：2021/02/18

【Security Vulnerability Warning】Microsoft Windows TCP/IP exists security vulnerabilities (CVE-2021-24074, CVE-2021-24094, and CVE-2021-24086). Please confirm and update as soon as possible !

Subject:【Security Vulnerability Warning】Microsoft Windows TCP/IP exists security vulnerabilities (CVE-2021-24074, CVE-2021-24094, and CVE-2021-24086), which allow attackers to remotely execute arbitrary code or cause service interruption. Please confirm and update as soon as possible !
Description:
For details, please refer to the following links.

https://msrc-blog.microsoft.com/2021/02/09/multiple-security-updates-affecting-tcp-ip/

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-24094

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-24074

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-24086

https://unit42.paloaltonetworks.com/cve-2021-24074-patch-tuesday/

https://www.ithome.com.tw/news/142717

Network System Division
Computer and Communication Center