本月微软官方发布安全补丁更新，修复了一处存在于 WindowsPrint Spooler的远程命令执行漏洞，CVE编号为CVE-2021-1675，攻击者可以绕过安全检查并写入恶意驱动程序。6月29日，该漏洞PoC被公开，火绒已在6月9日/10日对个人版/企业版进行了补丁推送。鉴于该漏洞有被利用的可能，我们建议用户尽快使用火绒漏洞修复功能更新补丁。
（注：6月已进行过漏洞修复的用户无需再次修复）
漏洞详情
Windows Print Spooler远程代码执行漏洞 CVE-2021-1675
严重级别：高危 CVSS：7.8
被利用级别：有可能被利用
Print Spooler 是 Windows打印后台处理服务，在Windows平台使用打印机的必要服务。攻击者可绕过 RpcAddPrinterDriver 的身份验证，在打印服务器中安装恶意驱动程序。Windows域环境中普通帐户就能利用此漏洞。
影响范围
Windows 10 Version 1809 for32-bit Systems
Windows Server 2012 R2 (ServerCore installation)
Windows Server 2012 R2
Windows Server 2012 (ServerCore installation)
Windows Server 2012
Windows Server 2008 R2 forx64-based Systems Service Pack 1 (Server Core installation)
Windows Server 2008 R2 forx64-based Systems Service Pack 1
Windows Server 2008 forx64-based Systems Service Pack 2 (Server Core installation)
Windows Server 2008 forx64-based Systems Service Pack 2
Windows Server 2008 for 32-bitSystems Service Pack 2 (Server Core installation)
Windows Server 2008 for 32-bitSystems Service Pack 2
Windows RT 8.1
Windows 8.1 for x64-basedsystems
Windows 8.1 for 32-bit systems
Windows 7 for x64-based SystemsService Pack 1
Windows 7 for 32-bit SystemsService Pack 1
Windows Server 2016 (Server Core installation)
Windows Server 2016
Windows 10 Version 1607 forx64-based Systems
Windows 10 Version 1607 for32-bit Systems
Windows 10 for x64-basedSystems
Windows 10 for 32-bit Systems
Windows Server, version 20H2(Server Core Installation)
Windows 10 Version 20H2 forARM64-based Systems
Windows 10 Version 20H2 for32-bit Systems
Windows 10 Version 20H2 forx64-based Systems
Windows Server, version 2004(Server Core installation)
Windows 10 Version 2004 forx64-based Systems
Windows 10 Version 2004 forARM64-based Systems
Windows 10 Version 2004 for32-bit Systems
Windows 10 Version 21H1 for32-bit Systems
Windows 10 Version 21H1 forARM64-based Systems
Windows 10 Version 21H1 forx64-based Systems
Windows 10 Version 1909 forARM64-based Systems
Windows 10 Version 1909 forx64-based Systems
Windows 10 Version 1909 for32-bit Systems
Windows Server 2019 (Server Core installation)
Windows Server 2019
Windows 10 Version 1809 forARM64-based Systems
Windows 10 Version 1809 forx64-based Systems
修复建议
1、通过火绒个人版/企业版【漏洞修复】功能修复漏洞。
2、下载微软官方提供的补丁
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1675
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-1675
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