Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.51012.

Exploitation none

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Microsoft Microsoft SharePoint Enterprise Server 2016 affected
Version Status Constraints
16.0.0 affected < 16.0.5513.1001
Microsoft Microsoft SharePoint Server 2019 affected
Version Status Constraints
16.0.0 affected < 16.0.10417.20037
Microsoft Microsoft SharePoint Server Subscription Edition affected
Version Status Constraints
16.0.0 affected < 16.0.18526.20508

Configuration 1 [-]

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:*:*:*:*:*:*:*

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

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

Project Subscriptions

Vendors Products
Microsoft Subscribe
Sharepoint Enterprise Server Subscribe
Sharepoint Enterprise Server 2016 Subscribe
Sharepoint Enterprise Server 2019 Subscribe
Sharepoint Server Subscribe
Sharepoint Server 2016 Subscribe
Sharepoint Server 2019 Subscribe
Advisories
Source ID Title
EUVD EUVD EUVD-2025-22040 Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53771 cve-icon cve-icon
https://www.bleepingcomputer.com/news/microsoft/microsoft-sharepoint-zero-day-exploited-in-rce-attacks-no-patch-available/ cve-icon
History

Fri, 13 Feb 2026 19:30:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft sharepoint Server 2016
Microsoft sharepoint Server 2019
CPEs cpe:2.3:a:microsoft:sharepoint_server_2016:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:microsoft:sharepoint_server_2019:*:*:*:*:*:*:*:*
Vendors & Products Microsoft sharepoint Server 2016
Microsoft sharepoint Server 2019

Thu, 14 Aug 2025 17:30:00 +0000

Type Values Removed Values Added
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:*:*:*:*:*:*:*

Thu, 31 Jul 2025 20:00:00 +0000

Type Values Removed Values Added
Description Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network. Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.

Wed, 23 Jul 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

 ssvc

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

Tue, 22 Jul 2025 21:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-20
CWE-22
CWE-707

Tue, 22 Jul 2025 21:15:00 +0000

Type Values Removed Values Added
Description Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network. Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
Weaknesses CWE-287
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N/E:P/RL:O/RC:C'}

 cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C'}

Mon, 21 Jul 2025 21:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C'}

 cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N/E:P/RL:O/RC:C'}

Mon, 21 Jul 2025 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Mon, 21 Jul 2025 00:30:00 +0000

Type Values Removed Values Added
References

Sun, 20 Jul 2025 22:30:00 +0000

Type Values Removed Values Added
Description Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
Title Microsoft SharePoint Server Spoofing Vulnerability
Weaknesses CWE-20
CWE-22
CWE-707
References
Metrics cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-02-13T19:07:03.835Z

Reserved: 2025-07-09T13:25:25.501Z

Link: CVE-2025-53771

cve-icon Vulnrichment

Updated: 2025-07-20T23:40:49.866Z

cve-icon NVD

Status : Analyzed

Published: 2025-07-20T23:15:31.807

Modified: 2025-08-14T17:29:05.870

Link: CVE-2025-53771

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-07-21T15:16:58Z

Weaknesses