[資訊中心轉公告]【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

轉發教育機構資安通報應變小組

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ActiveXOffice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

(此通報僅在於告知相關資訊,並非為資安事件),如果您對此通報的內容有疑問或有關於此事件的建議,歡迎與我們連絡。

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