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CVE-2025-47171— Microsoft Outlook 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 Outlook是美国微软（Microsoft）公司的一套电子邮件应用程序。 Microsoft Outlook存在输入验证错误漏洞。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 Office LTSC 2024 for 64-bit editions,Microsoft Outlook 2016 (32-bit edition),Microsoft Outlook 2016 (64-bit edition),Microsoft Office 2019 f

CVSS 6.7 · Medium EPSS 1.53% · P72

Public Exploits 1

ExploitDB · 1 EDB-52356 [remote]

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2025-47171

Vulnerability Information
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Vulnerability Title
Microsoft Outlook Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper input validation in Microsoft Office Outlook allows an authorized attacker to execute code locally.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Outlook 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Outlook是美国微软（Microsoft）公司的一套电子邮件应用程序。 Microsoft Outlook存在输入验证错误漏洞。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 Office LTSC 2024 for 64-bit editions,Microsoft Outlook 2016 (32-bit edition),Microsoft Outlook 2016 (64-bit edition),Microsoft Office 2019 f
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 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 Outlook 2016 16.0.0.0 ~ 16.0.5504.1000 -

II. Public POCs for CVE-2025-47171

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III. Intelligence Information for CVE-2025-47171

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Same Patch Batch · Microsoft · 2025-06-10 · 64 CVEs total

CVE-2025-47163 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2025-33066 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-33064 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-33053 8.8 HIGH Internet Shortcut Files Remote Code Execution Vulnerability
CVE-2025-33073 8.8 HIGH Windows SMB Client Elevation of Privilege Vulnerability
CVE-2025-47166 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2025-47172 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2025-47167 8.4 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2025-47164 8.4 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2025-32717 8.4 HIGH Microsoft Word Remote Code Execution Vulnerability
CVE-2025-47953 8.4 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2025-47162 8.4 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2025-33067 8.4 HIGH Windows Task Scheduler Elevation of Privilege Vulnerability
CVE-2025-47957 8.4 HIGH Microsoft Word Remote Code Execution Vulnerability
CVE-2025-47977 8.2 HIGH Nuance Digital Engagement Platform Spoofing Vulnerability
CVE-2025-33070 8.1 HIGH Windows Netlogon Elevation of Privilege Vulnerability
CVE-2025-32710 8.1 HIGH Windows Remote Desktop Services Remote Code Execution Vulnerability
CVE-2025-33071 8.1 HIGH Windows KDC Proxy Service (KPSSVC) Remote Code Execution Vulnerability
CVE-2025-29828 8.1 HIGH Windows Schannel Remote Code Execution Vulnerability
CVE-2025-47169 7.8 HIGH Microsoft Word Remote Code Execution Vulnerability

Showing top 20 of 64 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Microsoft 365 Apps for Enterprise
Same vendor: Microsoft
Same weakness: CWE-20

V. Comments for CVE-2025-47171

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