Remote Code Execution Vulnerability in Microsoft Office SharePoint by Microsoft
CVE-2026-120000

7.5HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Sharepoint Server Subscription Edition
Vendor
CVE Published:
10 November 2026

What is CVE-2026-120000?

A vulnerability in Microsoft Office SharePoint allows authorized attackers to execute arbitrary code remotely by exploiting a flaw in the deserialization of untrusted data. This could lead to unauthorized actions on compromised systems over a network, emphasizing the need for immediate attention and patching.

Affected Version(s)

Microsoft SharePoint Server Subscription Edition x64-based Systems 16.0.0 < 16.0.20326.20278

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.