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CVE-2025-49756— Office Developer Platform Security Feature Bypass 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 365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 365存在加密问题漏洞。攻击者利用该漏洞可以绕过某些功能。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

CVSS 3.3 · Low EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1556 · Modify Authentication Process
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I. Basic Information for CVE-2025-49756

Vulnerability Information
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Vulnerability Title
Office Developer Platform Security Feature Bypass Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Use of a broken or risky cryptographic algorithm in Office Developer Platform allows an authorized attacker to bypass a security feature locally.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用已被攻破或存在风险的密码学算法
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Office 365 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Office 365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 365存在加密问题漏洞。攻击者利用该漏洞可以绕过某些功能。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
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-2025-49756

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III. Intelligence Information for CVE-2025-49756

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Same Patch Batch · Microsoft · 2025-07-08 · 129 CVEs total

CVE-2025-47981 9.8 CRITICAL SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Remote Code Execution Vulnerabilit
CVE-2025-48817 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2025-49723 8.8 HIGH Windows StateRepository API Server file Tampering Vulnerability
CVE-2025-49701 8.8 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2025-49688 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-49687 8.8 HIGH Windows Input Method Editor (IME) Elevation of Privilege Vulnerability
CVE-2025-49704 8.8 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2025-49673 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-49676 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-49674 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-49672 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-49669 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-48824 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-49657 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-49739 8.8 HIGH Visual Studio Elevation of Privilege Vulnerability
CVE-2025-49740 8.8 HIGH Windows SmartScreen Security Feature Bypass Vulnerability
CVE-2025-47998 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-49663 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-47986 8.8 HIGH Universal Print Management Service Elevation of Privilege Vulnerability
CVE-2025-49724 8.8 HIGH Windows Connected Devices Platform Service Remote Code Execution Vulnerability

Showing top 20 of 129 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Microsoft 365 Apps for Enterprise
Same vendor: Microsoft
Same weakness: CWE-327

V. Comments for CVE-2025-49756

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