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[TWCERT 分享資安情資]_Microsoft Excel存在高風險安全漏洞(CVE-2026-62870),請儘速確認並進 行修補4
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【出處:台灣電腦緊急應變小組 TWCert】

◎ 內容說明
【與舊系統情資編號 TWCERT-TWISAC-202608-0014 同內容】
研究人員發現Microsoft Excel存在使用釋放後記憶體(Use After Free)漏洞(CVE-2026-6287
0,CVSS:8.8),請儘速確認並進行修補,詳細漏洞說明請參閱「漏洞資訊」。
◎ 影響平台
Microsoft 365 Apps for Enterprise for 32-bit Systems、
Microsoft 365 Apps for Enterprise for 64-bit Systems、
Microsoft Excel 2016 (32-bit edition) 16.0.5561.1001(不含)以前版本、
Microsoft Excel 2016 (64-bit edition) 16.0.5561.1001(不含)以前版本、
Microsoft Office 2019 for 32-bit editions、
Microsoft Office 2019 for 64-bit editions、
Microsoft Office LTSC 2021 for 32-bit editions、
Microsoft Office LTSC 2021 for 64-bit editions、
Microsoft Office LTSC 2024 for 32-bit editions、
Microsoft Office LTSC 2024 for 64-bit editions
◎ 建議措施
官方已針對漏洞釋出修復更新,請參考官方說明進行更新。
◎ 漏洞資訊
名稱描述
CVE-2026-62870 未經身分鑑別之遠端攻擊者可利用此漏洞執行任意程式碼。
◎ 參考資訊
CVE-2026-62870
https://nvd.nist.gov/vuln/detail/CVE-2026-62870
Microsoft Excel 遠端執行程式碼弱點
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62870

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