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漏洞警訊公告

Windows作業系統存在高風險安全漏洞(CVE-2022-26809),允許攻擊者遠端執行任意程式碼,請儘速確認並進行更新

內容說明:

研究人員發現Windows作業系統存在高風險安全漏洞(CVE-2022-26809),攻擊者可將特別製作之遠端程序呼叫(Remote Procedure Call,RPC)傳送至RPC主機,即可獲得與RPC服務相同之權限,進而於伺服器上遠端執行任意程式碼。

 

目前已知影響平台如下:

Windows 10 for 32-bit Systems
Windows 10 for x64-based Systems
Windows 10 Version 1607 for 32-bit Systems
Windows 10 Version 1607 for x64-based Systems
Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1809 for ARM64-based Systems
Windows 10 Version 1809 for x64-based Systems
Windows 10 Version 1909 for 32-bit Systems
Windows 10 Version 1909 for ARM64-based Systems
Windows 10 Version 1909 for x64-based Systems
Windows 10 Version 20H2 for 32-bit Systems
Windows 10 Version 20H2 for ARM64-based Systems
Windows 10 Version 20H2 for x64-based 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 21H2 for 32-bit Systems
Windows 10 Version 21H2 for ARM64-based Systems
Windows 10 Version 21H2 for x64-based Systems
Windows 11 for ARM64-based Systems
Windows 11 for x64-based Systems
Windows 7 for 32-bit Systems Service Pack 1
Windows 7 for x64-based Systems Service Pack 1
Windows 8.1 for 32-bit systems
Windows 8.1 for x64-based systems
Windows RT 8.1
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows Server 2008 for 32-bit 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 (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 (Server Core installation)
Windows Server 2012
Windows Server 2012 (Server Core installation)
Windows Server 2012 R2
Windows Server 2012 R2 (Server Core installation)
Windows Server 2016
Windows Server 2016 (Server Core installation)
Windows Server 2019
Windows Server 2019 (Server Core installation)
Windows Server 2022
Windows Server 2022 (Server Core installation)
Windows Server, version 20H2 (Server Core Installation)
 

 
建議措施:

1.目前微軟官方已針對此漏洞釋出更新程式,請各機關聯絡維護廠商或參考下列網址進行更新:
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26809
2.若無法更新至最新版本,請參考微軟官方網頁之「Mitigations」一節,採取下列緩解措施:
(1)關閉邊界防火牆的TCP 445埠。
(2)參考下列官方指引保護SMB流量:
https://docs.microsoft.com/zh-tw/windows-server/storage/file-server/smb-secure-traffic


參考資料:

1.https://www.ithome.com.tw/news/150440
2.https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26809

Publish Date
2022/4/20 下午 03:55:55