Improper Access Control in Microsoft Office SharePoint
CVE-2026-69273

8.8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Sharepoint Server Subscription Edition
Vendor
CVE Published:
8 September 2026

What is CVE-2026-69273?

The vulnerability in Microsoft Office SharePoint arises from improper access control mechanisms, enabling authorized attackers to execute arbitrary code over a network. This can lead to significant security breaches and unauthorized access to sensitive information. It is crucial for organizations using affected SharePoint versions to apply the latest patches and implement effective security measures.

Affected Version(s)

Microsoft SharePoint Server Subscription Edition x64-based Systems 16.0.0 < 16.0.20326.20082

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

.