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CVE-2025-59245— Microsoft SharePoint Online Elevation of Privilege Vulnerability

Quick assessment

Affected
Microsoft Microsoft SharePoint Online
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 SharePoint是美国微软（Microsoft）公司的一套企业业务协作平台。该平台用于对业务信息进行整合，并能够共享工作、与他人协同工作、组织项目和工作组、搜索人员和信息。 Microsoft SharePoint存在代码问题漏洞，该漏洞源于权限提升。

CVSS 9.8 · Critical EPSS 1.06% · P63

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2025-59245

Vulnerability Information
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Vulnerability Title
Microsoft SharePoint Online Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Microsoft SharePoint Online Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft SharePoint 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft SharePoint是美国微软（Microsoft）公司的一套企业业务协作平台。该平台用于对业务信息进行整合，并能够共享工作、与他人协同工作、组织项目和工作组、搜索人员和信息。 Microsoft SharePoint存在代码问题漏洞，该漏洞源于权限提升。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft Microsoft SharePoint Online - -

II. Public POCs for CVE-2025-59245

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III. Intelligence Information for CVE-2025-59245

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Same Patch Batch · Microsoft · 2025-11-20 · 6 CVEs total

CVE-2025-49752 10.0 CRITICAL Azure Bastion Elevation of Privilege Vulnerability
CVE-2025-64655 8.8 HIGH Dynamics OmniChannel SDK Storage Containers Elevation of Privilege Vulnerability
CVE-2025-62207 8.6 HIGH Azure Monitor Elevation of Privilege Vulnerability
CVE-2025-62459 8.3 HIGH Microsoft Defender Portal Spoofing Vulnerability
CVE-2025-64660 8.0 HIGH GitHub Copilot and Visual Studio Code Remote Code Execution Vulnerability

IV. Related Vulnerabilities

Same product: Microsoft SharePoint Online
Same vendor: Microsoft
Same weakness: CWE-502

V. Comments for CVE-2025-59245

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