一、背景介绍

微软在2021年6月的安全更新中修复了其Windows操作系统后台打印服务Windows Print Spooler的远程代码执行漏洞（CVE-2021-1675）。

1.1 漏洞描述

Windows Print Spooler管理所有本地和网络打印队列，控制所有打印工作。攻击者利用该漏洞可绕过安全检查在目标设备上安装恶意驱动程序。

1.2 漏洞编号

CVE-2021-1675

1.3 漏洞等级

高危

二、修复建议

2.1 受影响版本

Windows Server 2019 (Server Core installation)

Windows Server 2019

Windows Server 2016 (Server Core installation)

Windows Server 2016

Windows Server 2012 R2 (Server Core installation)

Windows Server 2012 R2

Windows Server 2012 (Server Core installation)

Windows Server 2012

Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)

Windows Server 2008 R2 for x64-based Systems Service Pack 1

Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)

Windows Server 2008 for x64-based Systems Service Pack 2

Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)

Windows Server 2008 for 32-bit Systems Service Pack 2

Windows Server, version 2004 (Server Core installation)

Windows RT 8.1

Windows 8.1 for x64-based systems

Windows 8.1 for 32-bit systems

Windows 7 for x64-based Systems Service Pack 1

Windows 7 for 32-bit Systems Service Pack 1

Windows 10 Version 1607 for x64-based Systems

Windows 10 Version 1607 for 32-bit Systems

Windows 10 for x64-based Systems

Windows 10 for 32-bit Systems

Windows Server, version 20H2 (Server Core Installation)

Windows 10 Version 20H2 for ARM64-based Systems

Windows 10 Version 20H2 for 32-bit Systems

Windows 10 Version 20H2 for x64-based Systems

Windows 10 Version 2004 for x64-based Systems

Windows 10 Version 2004 for ARM64-based Systems

Windows 10 Version 2004 for 32-bit Systems

Windows 10 Version 21H1 for 32-bit Systems

Windows 10 Version 21H1 for ARM64-based Systems

Windows 10 Version 21H1 for x64-based Systems

Windows 10 Version 1909 for ARM64-based Systems

Windows 10 Version 1909 for x64-based Systems

Windows 10 Version 1909 for 32-bit Systems

Windows 10 Version 1809 for ARM64-based Systems

Windows 10 Version 1809 for x64-based Systems

Windows 10 Version 1809 for 32-bit Systems

2.2 修复建议

鉴于漏洞危害较大且相关漏洞利用代码已公开，请师生排查是否部署了受影响的微软产品，及时安装官方补丁程序，做好风险防范，以免发生安全事件。

软官方补丁下载地址：https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1675