Weak authentication in Microsoft Office SharePoint allows an unauthorized attacker to bypass a security feature over a network.
Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 18 Aug 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 18 Aug 2026 18:30:00 +0000


Tue, 18 Aug 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2026-08-18T00:00:00+00:00', 'dueDate': '2026-08-21T00:00:00+00:00'}


Thu, 13 Aug 2026 14:30:00 +0000

Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 07 Aug 2026 10:30:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft sharepoint Server Subscription Edition
Vendors & Products Microsoft sharepoint Server Subscription Edition

Tue, 14 Jul 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 14 Jul 2026 17:45:00 +0000

Type Values Removed Values Added
Description Weak authentication in Microsoft Office SharePoint allows an unauthorized attacker to bypass a security feature over a network.
Title Microsoft SharePoint Server Security Feature Bypass Vulnerability
First Time appeared Microsoft
Microsoft sharepoint Server
Microsoft sharepoint Server 2016
Microsoft sharepoint Server 2019
Weaknesses CWE-1390
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': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-08-20T17:05:18.721Z

Reserved: 2026-06-16T14:13:49.835Z

Link: CVE-2026-55040

cve-icon Vulnrichment

Updated: 2026-07-14T18:57:03.991Z

cve-icon NVD

Status : Analyzed

Published: 2026-07-14T18:18:15.413

Modified: 2026-08-19T04:17:23.540

Link: CVE-2026-55040

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-22T10:45:03Z

Weaknesses