Cross-Site Scripting Vulnerability in Microsoft Office SharePoint
CVE-2025-64672

8.8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Sharepoint Server Subscription Edition
Vendor
CVE Published:
9 December 2025

What is CVE-2025-64672?

An issue in Microsoft Office SharePoint allows an authorized attacker to leverage improper input neutralization during the web page generation process, leading to the potential for spoofing attacks. This vulnerability may allow attackers to inject malicious scripts into web pages viewed by other users, compromising the integrity and confidentiality of user data and interactions. Organizations using affected versions of SharePoint should implement necessary patches and review security protocols to mitigate risks.

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Affected Version(s)

Microsoft SharePoint Server Subscription Edition x64-based Systems 16.0.0 < 16.0.19127.20378

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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