Remote Code Execution Vulnerability in Microsoft Office SharePoint
CVE-2026-70267

7.2HIGH

Key Information:

Vendor

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

What is CVE-2026-70267?

A vulnerability in Microsoft Office SharePoint allows authorized attackers to leverage functionality from untrusted control spheres to execute arbitrary code over a network. This exploitation poses a significant threat to the integrity and confidentiality of affected systems, enabling potential unauthorized actions that could compromise sensitive data.

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:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.