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CVE-2026-47642— Microsoft Excel Remote Code Execution Vulnerability

CVSS 7.8 · High EPSS 0.40% · P33

Affected Version Matrix 8

VendorProductVersion RangeStatus
MicrosoftMicrosoft 365 Apps for Enterprise16.0.1< https://aka.ms/OfficeSecurityReleasesaffected
MicrosoftMicrosoft Office 201919.0.0< https://aka.ms/OfficeSecurityReleasesaffected
MicrosoftMicrosoft Office 365 for Mac1.0.0< 16.111.26071215affected
MicrosoftMicrosoft Office LTSC 202116.0.1< https://aka.ms/OfficeSecurityReleasesaffected
MicrosoftMicrosoft Office LTSC 202416.0.0< https://aka.ms/OfficeSecurityReleasesaffected
MicrosoftMicrosoft Office LTSC for Mac 202116.0.1< 16.111.26071215affected
MicrosoftMicrosoft Office LTSC for Mac 202416.0.0< 16.111.26071215affected
MicrosoftOffice Online Server16.0.0.0< 16.0.10417.20175affected
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I. Basic Information for CVE-2026-47642

Vulnerability Information
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Vulnerability Title
Microsoft Excel Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Office Excel 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Office Excel是美国Microsoft公司的一款电子表格软件。 Microsoft Office Excel存在资源管理错误漏洞，该漏洞源于释放后重用问题，可能导致未经授权的攻击者在本地执行代码。以下版本受到影响：Microsoft 365 Apps for Enterprise、Microsoft Office 2019、Microsoft Office 365 for Mac、Microsoft Office LTSC 2021、Microsoft Office LTSC
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
MicrosoftMicrosoft 365 Apps for Enterprise 16.0.1 ~ https://aka.ms/OfficeSecurityReleases -
MicrosoftMicrosoft Office 2019 19.0.0 ~ https://aka.ms/OfficeSecurityReleases -
MicrosoftMicrosoft Office 365 for Mac 1.0.0 ~ 16.111.26071215 -
MicrosoftMicrosoft Office LTSC 2021 16.0.1 ~ https://aka.ms/OfficeSecurityReleases -
MicrosoftMicrosoft Office LTSC 2024 16.0.0 ~ https://aka.ms/OfficeSecurityReleases -
MicrosoftMicrosoft Office LTSC for Mac 2021 16.0.1 ~ 16.111.26071215 -
MicrosoftMicrosoft Office LTSC for Mac 2024 16.0.0 ~ 16.111.26071215 -
MicrosoftOffice Online Server 16.0.0.0 ~ 16.0.10417.20175 -

II. Public POCs for CVE-2026-47642

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III. Intelligence Information for CVE-2026-47642

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Vendor Advisories for CVE-2026-47642 (1)

Same Patch Batch · Microsoft · 2026-07-14 · 570 CVEs total

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Showing top 20 of 570 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Microsoft 365 Apps for Enterprise
Same vendor: Microsoft
Same weakness: CWE-416

V. Comments for CVE-2026-47642

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