Server-Side Request Forgery Vulnerability in Microsoft Office SharePoint
CVE-2026-70326

8.8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Sharepoint Server Subscription Edition
Vendor
CVE Published:
11 August 2026

What is CVE-2026-70326?

A server-side request forgery vulnerability exists in Microsoft Office SharePoint, allowing an authorized attacker to manipulate server requests. This could result in an unauthorized privilege elevation over the network, potentially exposing sensitive information and compromising system integrity. It is crucial for organizations using Microsoft Office SharePoint to implement the latest security updates and patches to safeguard against this threat.

Affected Version(s)

Microsoft SharePoint Server Subscription Edition x64-based Systems 16.0.0 < 16.0.19725.20522

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

.