CVE-2026-55052

Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55052	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

16 Jul 2026, 14:26

Type	Values Removed	Values Added
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:::
References	~~() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55052 -~~	() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55052 - Patch, Vendor Advisory

14 Jul 2026, 18:18

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-14 18:18

Updated : 2026-07-16 14:26

NVD link : CVE-2026-55052

Mitre link : CVE-2026-55052

CVE.ORG link : CVE-2026-55052

JSON object : View

Products Affected

microsoft

sharepoint_server

CWE

CWE-862

Missing Authorization

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