Description
Insufficient granularity of access control in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Published: 2026-05-12
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

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'}


Subscriptions

Microsoft Sharepoint Server Sharepoint Server 2016 Sharepoint Server 2019
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-05-15T17:13:18.992Z

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 : Analyzed

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

Modified: 2026-05-13T20:52:35.700

Link: CVE-2026-40365

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-12T22:00:18Z

Weaknesses