CVE-2026-56157

Improper access control in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56157	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:sharepoint_server:::::subscription:::*
	cpe:2.3:a:microsoft:sharepoint_server:2016::::enterprise:::
	cpe:2.3:a:microsoft:sharepoint_server:2019:::::::*

History

15 Jul 2026, 15:13

Type	Values Removed	Values Added
References	~~() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56157 -~~	() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56157 - Patch, Vendor Advisory
First Time		Microsoft Microsoft sharepoint Server
CPE		cpe:2.3:a:microsoft:sharepoint_server:::::subscription:::* cpe:2.3:a:microsoft:sharepoint_server:2019:::::::* cpe:2.3:a:microsoft:sharepoint_server:2016::::enterprise:::

14 Jul 2026, 18:18

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-14 18:18

Updated : 2026-07-15 15:13

NVD link : CVE-2026-56157

Mitre link : CVE-2026-56157

CVE.ORG link : CVE-2026-56157

JSON object : View

Products Affected

microsoft

sharepoint_server

CWE

CWE-284

Improper Access Control

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