Information Disclosure Vulnerability in Microsoft Office SharePoint
CVE-2026-70217

4.9MEDIUM

Key Information:

Vendor

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

What is CVE-2026-70217?

An improper access control vulnerability in Microsoft Office SharePoint allows authorized users to access sensitive information over a network. This exploit can lead to unauthorized exposure of confidential data, posing significant risks to organizations that rely on SharePoint for collaboration and data management. It is crucial to apply the recommended patches to mitigate the potential impacts of this vulnerability.

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:
4.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.