SQL Injection Vulnerability in Microsoft Office SharePoint
CVE-2026-70266

8.8HIGH

Key Information:

Vendor

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

What is CVE-2026-70266?

An identified SQL injection vulnerability in Microsoft Office SharePoint allows an authorized attacker to manipulate SQL commands, leading to unauthorized elevation of privileges across the network. This flaw enables potential exploitation by leveraging improper handling of special elements in SQL commands, posing significant security risks to organizations using the affected products.

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

.