KnowSafe 安全预警：KnowSafe 安全团队监测到编号 AVD-2022-21907 的安全漏洞（危害等级：高危）已公开披露，相关用户应尽快排查并完成修复。
漏洞介绍
Microsoft Windows是一款由美国微软公司开发的窗口化操作系统。
Microsoft HTTP Protocol Stack存在远程代码执行漏洞。攻击者可利用该漏洞在目标主机上执行代码。
受影响系统：
Microsoft Microsoft Windows 10 21H2 for x64-based Systems
Microsoft Microsoft Windows 10 21H2 for ARM64-based Systems
Microsoft Microsoft Windows 10 21H2 for 32-bit Systems
Microsoft Microsoft Windows 10 21H1 for x64-based Systems
Microsoft Microsoft Windows 10 21H1 for ARM64-based Systems
Microsoft Microsoft Windows 10 21H1 for 32-bit Systems
Microsoft Microsoft Windows 10 20H2 for x64-based Systems
Microsoft Microsoft Windows 10 20H2 for ARM64-based Systems
Microsoft Microsoft Windows 10 20H2 for 32-bit Systems
Microsoft Microsoft Windows 10 1809 for x64-based Systems
Microsoft Microsoft Windows 10 1809 for ARM64-based Systems
Microsoft Microsoft Windows 10 1809 for 32-bit Systems
Microsoft Microsoft Windows 11 for x64-based Systems
Microsoft Microsoft Windows 11 for ARM64-based Systems
Microsoft Microsoft Windows Server 20H2(Server Core Installation)
Microsoft Microsoft Windows Server 2022(Server Core installation)
Microsoft Microsoft Windows Server 2022
Microsoft Microsoft Windows Server 2019(Server Core installation)
Microsoft Microsoft Windows Server 2019
影响范围
官方公告未列出受影响软件明细，请结合自身业务使用的组件版本进行排查。
解决方案
目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载：
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21907
参考信息
http://packetstormsecurity.com/files/166730/Microsoft-HTTP-Protocol-Stack-Denial-Of-Service.html
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21907
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21907
KnowSafe 将持续跟踪该漏洞的利用情况与修复进展，如需漏洞管理与应急响应支持，欢迎联系 KnowSafe 安全团队。