各校园网用户：
近日，Microsoft Windows SMB Server被发现存在远程代码执行漏洞（CNVD-2017-29681，对应CVE-2017-11780），该漏洞如果被成功利用，远程攻击者可在目标系统上执行任意代码，或导致拒绝服务。该漏洞影响范围广，危害级别高，须高度重视。
一、影响范围：
1、桌面版：
Microsoft Windows 10 Version1607 for 32-bit Systems
Microsoft Windows 10 Version1607 for x64-based Systems
Microsoft Windows 10 for 32-bitSystems
Microsoft Windows 10 forx64-based Systems
Microsoft Windows 10 version1511 for 32-bit Systems
Microsoft Windows 10 version1511 for x64-based Systems
Microsoft Windows 10 version1703 for 32-bit Systems
Microsoft Windows 10 version1703 for x64-based Systems
Microsoft Windows 7 for 32-bitSystems SP1
Microsoft Windows 7 for x64-basedSystems SP1
Microsoft Windows 8.1 for32-bit Systems
Microsoft Windows 8.1 forx64-based Systems
Microsoft Windows RT 8.1
2、服务器版：
Microsoft Windows Server 2008R2 for Itanium-based Systems SP1
Microsoft Windows Server 2008R2 for x64-based Systems SP1
Microsoft Windows Server 2008for 32-bit Systems SP2
Microsoft Windows Server 2008for Itanium-based Systems SP2
Microsoft Windows Server 2008for x64-based Systems SP2
Microsoft Windows Server 2012
Microsoft Windows Server 2012R2
Microsoft Windows Server 2016
二、修复方案：
1、打开Windows Update功能，点击“检查更新”按钮，根据业务情况下载安装相关安全补丁，安装完毕重启电脑（服务器），检查系统运行情况。补丁链接：
https://portal.msrc.microsoft.com/zh-cn/security-guidance/advisory/CVE-2017-0143
2、建议关停SMB服务或禁用445、139端口的入站访问。