CVE-2026-56164

Missing authentication for critical function in Microsoft Office SharePoint allows an unauthorized attacker to elevate privileges over a network.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56164	Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-56164	US Government Resource

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

14 Jul 2026, 21:10

Type	Values Removed	Values Added
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:::
First Time		Microsoft Microsoft sharepoint Server
References	~~() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56164 -~~	() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56164 - Vendor Advisory
References	~~() https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-56164 -~~	() https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-56164 - US Government Resource

14 Jul 2026, 19:17

Type	Values Removed	Values Added
References		() https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-56164 -

14 Jul 2026, 17:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-14 17:17

Updated : 2026-07-14 21:10

NVD link : CVE-2026-56164

Mitre link : CVE-2026-56164

CVE.ORG link : CVE-2026-56164

JSON object : View

Products Affected

microsoft

sharepoint_server

CWE

CWE-306

Missing Authentication for Critical Function

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