研究人員發現Windows作業系統與應用程式存在多個安全漏洞(CVE-2021-26443、38666、42292及42321)，遠端攻擊者可藉由漏洞進而執行任意程式碼。
影響平台:
- CVE-2021-26443：
- Windows 10 Version 1809 for x64-based Systems
- Windows 10 Version 1909 for x64-based Systems
- Windows 10 Version 2004 for x64-based Systems
- Windows 10 Version 20H2 for x64-based Systems
- Windows 10 Version 21H1 for x64-based Systems
- Windows 11 for x64-based Systems
- 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)
- CVE-2021-38666：
- Remote Desktop client for Windows Desktop
- 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 11 for ARM64-based Systems
- Windows 11 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)
- CVE-2021-42292：
- Microsoft 365 Apps for Enterprise for 32-bit Systems
- Microsoft 365 Apps for Enterprise for 64-bit Systems
- Microsoft Excel 2013 RT Service Pack 1
- Microsoft Excel 2013 Service Pack 1 (32-bit editions)
- Microsoft Excel 2013 Service Pack 1 (64-bit editions)
- Microsoft Excel 2016 (32-bit edition)
- Microsoft Excel 2016 (64-bit edition)
- Microsoft Office 2013 RT Service Pack 1
- Microsoft Office 2013 Service Pack 1 (32-bit editions)
- Microsoft Office 2013 Service Pack 1 (64-bit editions)
- Microsoft Office 2016 (32-bit edition)
- Microsoft Office 2016 (64-bit edition)
- Microsoft Office 2019 for 32-bit editions
- Microsoft Office 2019 for 64-bit editions
- Microsoft Office 2019 for Mac
- Microsoft Office LTSC 2021 for 32-bit editions
- Microsoft Office LTSC 2021 for 64-bit editions
- Microsoft Office LTSC for Mac 2021
- CVE-2021-42321：
- Microsoft Exchange Server 2016 Cumulative Update 21
- Microsoft Exchange Server 2016 Cumulative Update 22
- Microsoft Exchange Server 2019 Cumulative Update 10
- Microsoft Exchange Server 2019 Cumulative Update 11
建議措施：
目前微軟官方已針對這些漏洞釋出更新程式，參考以下網址進行更新：
1. https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-26443
2. https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-38666
3. https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-42292
4. https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-42321
本文轉載自NCCST。