发布日期：2021-01-12
更新日期：2021-01-13

受影响系统：

Microsoft Windows Server 20H2 (Server Core Insta
Microsoft Windows Server 2019 (Server Core Insta
Microsoft Windows Server 2019
Microsoft Windows Server 2016 (Server Core Insta
Microsoft Windows Server 2016
Microsoft Windows Server 2012 R2 (Server Core in
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012 (Server Core insta
Microsoft Windows Server 2012
Microsoft Windows Server 2008 R2 for x64-based S
Microsoft Windows Server 2008 R2 for x64-based S
Microsoft Windows Server 2008 for x64-based Syst
Microsoft Windows Server 2008 for x64-based Syst
Microsoft Windows Server 2008 for 32-bit Systems
Microsoft Windows Server 2008 for 32-bit Systems
Microsoft Windows Server 2004 (Server Core insta
Microsoft Windows Server 1909 (Server Core insta
Microsoft Windows RT 8.1
Microsoft Windows 8.1 for x64-based systems
Microsoft Windows 8.1 for 32-bit systems
Microsoft Windows 7 for x64-based Systems SP1
Microsoft Windows 7 for 32-bit Systems SP1
Microsoft Windows 10 for x64-based Systems
Microsoft Windows 10 for 32-bit Systems
Microsoft Windows 10 20H2 for x64-based Systems
Microsoft Windows 10 20H2 for ARM64-based Systems
Microsoft Windows 10 20H2 for 32-bit Systems
Microsoft Windows 10 2004 for x64-based Systems
Microsoft Windows 10 2004 for ARM64-based Systems
Microsoft Windows 10 2004 for 32-bit Systems
Microsoft Windows 10 1909 for x64-based Systems
Microsoft Windows 10 1909 for ARM64-based Systems
Microsoft Windows 10 1909 for 32-bit Systems
Microsoft Windows 10 1809 for x64-based Systems
Microsoft Windows 10 1809 for ARM64-based Systems
Microsoft Windows 10 1809 for 32-bit Systems
Microsoft Windows 10 1803 for x64-based Systems
Microsoft Windows 10 1803 for ARM64-based Systems
Microsoft Windows 10 1803 for 32-bit Systems
Microsoft Windows 10 1607 for x64-based Systems
Microsoft Windows 10 1607 for 32-bit Systems

描述：

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CVE(CAN) ID: CVE-2021-1694

Microsoft Windows是一款由美国微软公司开发的窗口化操作系统。
Windows Update Stack存在权限提升漏洞。攻击者可利用该漏洞提升权限。

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建议：

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厂商补丁：

Microsoft
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Microsoft已经为此发布了一个安全公告 (CVE-2021-1694) 以及相应补丁:CVE-2021-1694: Windows Update Stack Elevation of Privilege Vulnerability.
链接： https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1694

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