Cross-Site Scripting Vulnerability in Microsoft Office SharePoint
CVE-2026-47637

4.6MEDIUM

Key Information:

Vendor

Microsoft
Status
Microsoft Sharepoint Enterprise Server 2016
Microsoft Sharepoint Server 2019
Microsoft Sharepoint Server Subscription Edition
Vendor
CVE Published:
9 June 2026

What is CVE-2026-47637?

A vulnerability exists in Microsoft Office SharePoint that permits improper neutralization of input during web page generation. This flaw can be exploited by an authorized attacker to execute a cross-site scripting attack, potentially enabling them to spoof content and manipulate the display of web pages to users within a network. Vigilance is required to mitigate risks associated with this security concern.

Affected Version(s)

Microsoft SharePoint Enterprise Server 2016 x64-based Systems 16.0.0 < 16.0.5556.1005

Microsoft SharePoint Server 2019 x64-based Systems 16.0.0 < 16.0.10417.20153

Microsoft SharePoint Server Subscription Edition x64-based Systems 16.0.0 < 16.0.19725.20384

References

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

CVSS V3.1

Score:
4.6
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.