內容說明
研究人員發現Windows SMB用戶端存在NTLM反射(NTLM Reflection)漏洞(CVE-2025-33073)。取得一般使用者權限之遠端攻擊者，可透過執行惡意腳本，迫使SMB用戶端與攻擊者控制之SMB伺服器連線並進行身分鑑別，由於SMB用戶端在驗證階段存在缺陷，攻擊者可藉此繞過安全檢核以提升至系統權限，進而控制用戶端系統。該漏洞已遭駭客利用，請儘速確認並進行修補。
影響平台
Windows Server 2025 (Server Core installation)
Windows Server 2025
Windows Server 2022, 23H2 Edition (Server Core installation)
Windows Server 2022 (Server Core installation)
Windows Server 2022
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 11 Version 24H2 for x64-based Systems
Windows 11 Version 24H2 for ARM64-based Systems
Windows 11 Version 23H2 for x64-based Systems
Windows 11 Version 23H2 for ARM64-based Systems
Windows 11 Version 22H2 for x64-based Systems
Windows 11 Version 22H2 for ARM64-based Systems
Windows 10 Version 22H2 for x64-based Systems
Windows 10 Version 22H2 for ARM64-based Systems
Windows 10 Version 22H2 for 32-bit Systems
Windows 10 Version 21H2 for x64-based Systems
Windows 10 Version 21H2 for ARM64-based Systems
Windows 10 Version 21H2 for 32-bit Systems
Windows 10 Version 1809 for x64-based Systems
Windows 10 Version 1809 for 32-bit Systems
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
處置建議
官方已針對漏洞釋出修復更新，請參考官方說明進行更新，網址如下：
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-33073
參考資料
1. https://nvd.nist.gov/vuln/detail/CVE-2025-33073
2. https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-33073
3. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-33073
4. https://www.vicarius.io/vsociety/posts/cve-2025-33073-mitigation-script-improper-access-control-in-windows-smb-affects-microsoft-products
