Server-side Request Forgery Vulnerability in Microsoft Office SharePoint
CVE-2026-70202

7.5HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Sharepoint Server Subscription Edition
Vendor
CVE Published:
13 October 2026

What is CVE-2026-70202?

A server-side request forgery vulnerability in Microsoft Office SharePoint can allow an authorized attacker to send crafted requests to unintended locations. This flaw permits elevation of privileges, allowing unauthorized network access. Organizations using SharePoint should take precautionary measures, including applying patches and monitoring for unusual network activity, to mitigate the risk associated with this vulnerability.

Affected Version(s)

Microsoft SharePoint Server Subscription Edition x64-based Systems 16.0.0 < 16.0.20326.20190

References

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

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.