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CVE-2026-32189— Microsoft Excel Remote Code Execution Vulnerability

Quick assessment

Affected
Microsoft Microsoft 365 Apps for Enterprise
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Excel是美国微软（Microsoft）公司的一款Office套件中的电子表格处理软件。 Microsoft Excel存在资源管理错误漏洞。攻击者利用该漏洞可以执行代码。以下产品和版本受到影响：Office Online Server,Microsoft Office 2019 for 32-bit editions,Microsoft Office 2019 for 64-bit editions,Microsoft 365 Apps for Enterprise for 32-

CVSS 7.8 · High EPSS 0.47% · P38

Affected Version Matrix 8

VendorProduct Version RangeStatus
Microsoft Microsoft 365 Apps for Enterprise 16.0.1< https://aka.ms/OfficeSecurityReleases affected
Microsoft Microsoft Excel 2016 16.0.0.0< 16.0.5548.1000 affected
Microsoft Microsoft Office 2019 19.0.0< https://aka.ms/OfficeSecurityReleases affected
Microsoft Microsoft Office LTSC 2021 16.0.1< https://aka.ms/OfficeSecurityReleases affected
Microsoft Microsoft Office LTSC 2024 16.0.0< https://aka.ms/OfficeSecurityReleases affected
Microsoft Microsoft Office LTSC for Mac 2021 16.0.1< 16.108.26041219 affected
Microsoft Microsoft Office LTSC for Mac 2024 16.0.0< 16.108.26041219 affected
Microsoft Office Online Server 16.0.0.0< 16.0.10417.20113 affected
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I. Basic Information for CVE-2026-32189

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 Excel 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Excel是美国微软（Microsoft）公司的一款Office套件中的电子表格处理软件。 Microsoft Excel存在资源管理错误漏洞。攻击者利用该漏洞可以执行代码。以下产品和版本受到影响：Office Online Server,Microsoft Office 2019 for 32-bit editions,Microsoft Office 2019 for 64-bit editions,Microsoft 365 Apps for Enterprise for 32-
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

Vendor Product Affected Versions CPE Subscribe
Microsoft Microsoft 365 Apps for Enterprise 16.0.1 ~ https://aka.ms/OfficeSecurityReleases -
Microsoft Microsoft Excel 2016 16.0.0.0 ~ 16.0.5548.1000 -
Microsoft Microsoft Office 2019 19.0.0 ~ https://aka.ms/OfficeSecurityReleases -
Microsoft Microsoft Office LTSC 2021 16.0.1 ~ https://aka.ms/OfficeSecurityReleases -
Microsoft Microsoft Office LTSC 2024 16.0.0 ~ https://aka.ms/OfficeSecurityReleases -
Microsoft Microsoft Office LTSC for Mac 2021 16.0.1 ~ 16.108.26041219 -
Microsoft Microsoft Office LTSC for Mac 2024 16.0.0 ~ 16.108.26041219 -
Microsoft Office Online Server 16.0.0.0 ~ 16.0.10417.20113 -

II. Public POCs for CVE-2026-32189

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III. Intelligence Information for CVE-2026-32189

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Same Patch Batch · Microsoft · 2026-04-14 · 163 CVEs total

CVE-2026-33824 9.8 CRITICAL Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability
CVE-2026-26149 9.0 CRITICAL Microsoft Power Apps Desktop Client Spoofing Vulnerability
CVE-2026-33120 8.8 HIGH Microsoft SQL Server Remote Code Execution Vulnerability
CVE-2026-26167 8.8 HIGH Windows Push Notifications Elevation of Privilege Vulnerability
CVE-2026-26178 8.8 HIGH Windows Advanced Rasterization Platform Elevation of Privilege Vulnerability
CVE-2026-32171 8.8 HIGH Azure Logic Apps Elevation of Privilege Vulnerability
CVE-2026-32225 8.8 HIGH Windows Shell Security Feature Bypass Vulnerability
CVE-2026-32157 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2026-27928 8.7 HIGH Windows Hello Security Feature Bypass Vulnerability
CVE-2026-32221 8.4 HIGH Windows Graphics Component Remote Code Execution Vulnerability
CVE-2026-32091 8.4 HIGH Microsoft Brokering File System Elevation of Privilege Vulnerability
CVE-2026-32162 8.4 HIGH Windows COM Elevation of Privilege Vulnerability
CVE-2026-32190 8.4 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2026-33115 8.4 HIGH Microsoft Word Remote Code Execution Vulnerability
CVE-2026-33114 8.4 HIGH Microsoft Word Remote Code Execution Vulnerability
CVE-2026-33827 8.1 HIGH Windows TCP/IP Remote Code Execution Vulnerability
CVE-2026-27912 8.0 HIGH Windows Kerberos Elevation of Privilege Vulnerability
CVE-2026-33826 8.0 HIGH Windows Active Directory Remote Code Execution Vulnerability
CVE-2026-27907 7.8 HIGH Windows Storage Spaces Controller Elevation of Privilege Vulnerability
CVE-2026-33095 7.8 HIGH Microsoft Word Remote Code Execution Vulnerability

Showing top 20 of 163 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-2026-32189

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