Server-Side Request Forgery in Microsoft Office SharePoint
CVE-2026-70251

7.5HIGH

Key Information:

Vendor

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

What is CVE-2026-70251?

A server-side request forgery (SSRF) vulnerability in Microsoft Office SharePoint permits an authorized attacker to manipulate requests sent from the server. This could enable the attacker to escalate privileges within the network, potentially gaining access to sensitive resources and compromising the overall security of the system. It is crucial for organizations using this software to implement security patches and maintain updated configurations to mitigate the risk.

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

.