一、漏洞详情

PowerShell是一种功能强大的脚本语言和shell程序框架，PowerShell可在Windows、Linux和macOS上运行。

近日监测到针对PowerShell远程代码执行漏洞(CVE-2022-41076)的技术细节（称为TabShell）在互联网上公开。经过身份验证的远程攻击者可以在remote powershell会话中使用TabExpansion cmdlet，结合目录穿越载入任意dll，导致攻击者可以执行原本不能执行的cmdlet，从而在目标机器上执行任意代码。

建议受影响用户做好资产自查以及预防工作，以免遭受黑客攻击。

二、影响范围

Windows Server 2012 R2 (Server Core installation)

Windows Server 2012 R2 (Server Core installation)

Windows Server 2012 R2

Windows Server 2012 R2

Windows Server 2012 (Server Core installation)

Windows Server 2012 (Server Core installation)

Windows Server 2012

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 (Server Core installation)

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

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 (Server Core installation)

Windows Server 2008 for x64-based Systems Service Pack 2

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 (Server Core installation)

Windows Server 2008 for 32-bit Systems Service Pack 2

Windows Server 2008 for 32-bit Systems Service Pack 2

Windows RT 8.1

Windows 8.1 for x64-based systems

Windows 8.1 for x64-based systems

Windows 8.1 for 32-bit systems

Windows 8.1 for 32-bit systems

Windows 7 for x64-based Systems Service Pack 1

Windows 7 for x64-based Systems Service Pack 1

Windows 7 for 32-bit Systems Service Pack 1

Windows 7 for 32-bit Systems Service Pack 1

Windows Server 2016 (Server Core installation)

Windows Server 2016

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 10 Version 22H2 f