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【漏洞預警】【更新建議措施】微軟Windows之MSHTML引擎存在安全漏洞(CVE-2021-40444),允許攻擊者遠端執行任意程式碼,請儘速確認並進行更新
公告日期:2021-09-16
公告單位:

[內容說明:]

轉發 國家資安資訊分享與分析中心 資安訊息警訊 NISAC-ANA-202109-0767
研究人員發現微軟Windows內之瀏覽器排版引擎MSHTML存在安全漏洞(CVE-2021-40444),
MSHTML用於微軟瀏覽器與Office應用程式中,攻擊者可誘騙使用者開啟含有惡意ActiveX之Office文件,
進而載入瀏覽器引擎並瀏覽惡意網頁,利用此漏洞遠端執行任意程式碼。
情資分享等級: WHITE(情資內容為可公開揭露之資訊)

[影響平台:]

● 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 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 2004 for 32-bit Systems 
● Windows 10 Version 2004 for ARM64-based Systems 
● Windows 10 Version 2004 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 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 2004 (Server Core installation) 
● Windows Server, version 20H2 (Server Core Installation)

[建議措施:]

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以下網址進行更新:
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-40444

[參考資料:]
1. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-40444
2. https://www.ithome.com.tw/news/146584
3.https://docs.microsoft.com/zh-tw/microsoft-365/security/office-365-security/install-app-guard?view=o365-worldwide