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CVE-2025-29823— 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 Office是美国微软（Microsoft）公司的一款办公软件套件产品。该产品常用组件包括Word、Excel、Access、Powerpoint、FrontPage等。 Microsoft Office存在资源管理错误漏洞。攻击者利用该漏洞可以远程执行代码。以下产品和版本受到影响：Microsoft 365 Apps for Enterprise for 32-bit Systems,Microsoft 365 Apps for Enterprise for 64-bit Syste

CVSS 7.8 · High EPSS 0.66% · P49

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 1

VendorProduct Version RangeStatus
Microsoft Microsoft 365 Apps for Enterprise 16.0.1< https://aka.ms/OfficeSecurityReleases affected
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I. Basic Information for CVE-2025-29823

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 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Office是美国微软（Microsoft）公司的一款办公软件套件产品。该产品常用组件包括Word、Excel、Access、Powerpoint、FrontPage等。 Microsoft Office存在资源管理错误漏洞。攻击者利用该漏洞可以远程执行代码。以下产品和版本受到影响：Microsoft 365 Apps for Enterprise for 32-bit Systems,Microsoft 365 Apps for Enterprise for 64-bit Syste
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 -

II. Public POCs for CVE-2025-29823

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III. Intelligence Information for CVE-2025-29823

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Same Patch Batch · Microsoft · 2025-04-08 · 119 CVEs total

CVE-2025-21205 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21221 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-26669 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability
CVE-2025-29794 8.8 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2025-27477 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-27740 8.8 HIGH Active Directory Certificate Services Elevation of Privilege Vulnerability
CVE-2025-21222 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-26647 8.8 HIGH Windows Kerberos Elevation of Privilege Vulnerability
CVE-2025-27481 8.8 HIGH Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-27737 8.6 HIGH Windows Security Zone Mapping Security Feature Bypass Vulnerability
CVE-2025-26678 8.4 HIGH Windows Defender Application Control Security Feature Bypass Vulnerability
CVE-2025-26663 8.1 HIGH Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability
CVE-2025-27482 8.1 HIGH Windows Remote Desktop Services Remote Code Execution Vulnerability
CVE-2025-27480 8.1 HIGH Windows Remote Desktop Services Remote Code Execution Vulnerability
CVE-2025-26670 8.1 HIGH Lightweight Directory Access Protocol (LDAP) Client Remote Code Execution Vulnerability
CVE-2025-26671 8.1 HIGH Windows Remote Desktop Services Remote Code Execution Vulnerability
CVE-2025-27487 8.0 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2025-24073 7.8 HIGH Microsoft DWM Core Library Elevation of Privilege Vulnerability
CVE-2025-26674 7.8 HIGH Windows Media Remote Code Execution Vulnerability
CVE-2025-24062 7.8 HIGH Microsoft DWM Core Library Elevation of Privilege Vulnerability

Showing top 20 of 119 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-2025-29823

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