Description
Weak authentication in Microsoft Office SharePoint allows an unauthorized attacker to bypass a security feature over a network.
Published: 2026-07-14
Score: 9.1 Critical
EPSS: 4.0% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

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'}


Subscriptions

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

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-08-14T17:24:37.412Z

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 : Modified

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

Modified: 2026-08-13T14:17:01.597

Link: CVE-2026-55040

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-14T14:45:17Z

Weaknesses