Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

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Vendors Products
Microsoft Subscribe
Sharepoint Server Subscribe
Sharepoint Server 2016 Subscribe
Sharepoint Server 2019 Subscribe
Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 01 Jun 2026 19:00:00 +0000

Type Values Removed Values Added
Description Insufficient granularity of access control in Microsoft Office SharePoint allows an authorized attacker to execute code over a network. Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Wed, 13 May 2026 21:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*
cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*

Tue, 12 May 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 12 May 2026 17:30:00 +0000

Type Values Removed Values Added
Description Insufficient granularity of access control in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Title Microsoft SharePoint Server Remote Code Execution Vulnerability
First Time appeared Microsoft
Microsoft sharepoint Server
Microsoft sharepoint Server 2016
Microsoft sharepoint Server 2019
Weaknesses CWE-1220
CPEs 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:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft sharepoint Server
Microsoft sharepoint Server 2016
Microsoft sharepoint Server 2019
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-06-01T23:44:42.220Z

Reserved: 2026-04-11T23:06:15.614Z

Link: CVE-2026-40365

cve-icon Vulnrichment

Updated: 2026-05-12T19:12:01.467Z

cve-icon NVD

Status : Modified

Published: 2026-05-12T18:17:15.483

Modified: 2026-06-01T19:16:34.737

Link: CVE-2026-40365

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-01T21:45:22Z

Weaknesses