Elevation of Privilege Vulnerability in Microsoft Office SharePoint
CVE-2026-70246

8.8HIGH

Key Information:

Vendor

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

What is CVE-2026-70246?

An authorization flaw in Microsoft Office SharePoint allows authenticated attackers to elevate their privileges, potentially enabling unauthorized access to sensitive resources within a network environment. This vulnerability can expose critical data and security controls, underscoring the need for timely updates and monitoring of affected systems.

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:
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

.