Important Notice: Security vulnerabilities of Microsoft (updated at 11 February 2026)

關於 Microsoft 的安全漏洞通告 (更新於 2026年2月11日)

 2026-02-11     ICTO     Bulletin / 公告 

To: All Users

As informed by the Cybersecurity Incident Alert and Response Centre (CARIC), Microsoft have recently released its February security update notice, there are 61 vulnerability updates this time.

The updates this time mainly cover the following components: Microsoft Exchange Server, Microsoft Graphics Component, Windows NTLM, Windows Remote Access Connection Manager, Windows Remote Desktop, etc. products vulnerabilities.

Details of the vulnerabilities: 

  • MSHTML Framework Security Feature Bypass Vulnerability

For more details, please refer to: https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-21513

  • Microsoft Word Security Feature Bypass Vulnerability

For more details, please refer to: https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-21514

  • Windows Shell Security Feature Bypass Vulnerability

For more details, please refer to: https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-21510

  • Windows Remote Desktop Services Elevation of Privilege Vulnerability

For more details, please refer to: https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-21533

  • Desktop Window Manager Elevation of Privilege Vulnerability

For more details, please refer to: https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-21519

  • Windows Kernel Elevation of Privilege Vulnerability

For more details, please refer to: https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-21231

  • Microsoft Outlook Spoofing Vulnerability

For more details, please refer to: https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-21511

For more details about Microsoft February Updates, please refer to: https://msrc.microsoft.com/update-guide/releaseNote/2026-feb

If the relevant affected products are used, please install the security updates released by Microsoft as soon as possible. 

Reference

Should you have any enquiries, please feel free to contact ICTO Help Desk.

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各位用戶：

資訊及通訊科技部接獲網絡安全事故預警及應急中心的通知，Microsoft 近日發布了 2月安全更新通告，此次包含了 61個漏洞更新。

此次釋出的更新主要涵蓋了以下組件： Microsoft Exchange Server, Microsoft Graphics Component, Windows NTLM, Windows Remote Access Connection Manager, Windows Remote Desktop 等產品的漏洞。

漏洞詳情:

  • MSHTML Framework 安全特性繞過漏洞

有關詳情可參考：https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-21513

  • Microsoft Word 安全功能繞過漏洞

有關詳情可參考：https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-21514

  • Windows Shell 安全功能繞過漏洞

有關詳情可參考：https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-21510

  •   Windows 遠端桌面服務許可權提升漏洞

有關詳情可參考：https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-21533

  • Windows 桌面視窗管理器許可權提升漏洞

有關詳情可參考：https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-21519

  • Windows 內核許可權提升漏洞

有關詳情可參考：https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-21231

  • Microsoft Outlook 欺騙漏洞

有關詳情可參考：https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-21511

Microsoft 2月更新有關詳情可參考：https://msrc.microsoft.com/update-guide/releaseNote/2026-feb

倘有使用相關受影響產品，須盡快安裝由微軟公司釋出的安全更新。

參考資料

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