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URL: https://nvd.nist.gov/vuln/detail/CVE-2025-53771

⇱ NVD - CVE-2025-53771

  1. Vulnerabilities

CVE-2025-53771 Detail

Description

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


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53771 Microsoft Corporation Vendor Advisory 
https://www.bleepingcomputer.com/news/microsoft/microsoft-sharepoint-zero-day-exploited-in-rce-attacks-no-patch-available/ CVE Press/Media Coverage 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-287 Improper Authentication Microsoft Corporation  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

8 change records found show changes

CVE Modified by CISA-ADP 6/17/2026 5:38:51 AM

Action Type Old Value New Value
Added SSVC 
{"timestamp":"2025-07-23T16:22:50.530428Z","id":"CVE-2025-53771","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}

CVE Modified by Microsoft Corporation 6/17/2026 5:38:51 AM

Action Type Old Value New Value
Added Affected 
[{"vendor":"Microsoft","product":"Microsoft SharePoint Enterprise Server 2016","platforms":["x64-based Systems"],"versions":[{"version":"16.0.0","lessThan":"16.0.5513.1001","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft SharePoint Server 2019","platforms":["x64-based Systems"],"versions":[{"version":"16.0.0","lessThan":"16.0.10417.20037","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft SharePoint Server Subscription Edition","platforms":["x64-based Systems"],"versions":[{"version":"16.0.0","lessThan":"16.0.18526.20508","versionType":"custom","status":"affected"}]}]

Initial Analysis by NIST 8/14/2025 1:29:05 PM

Action Type Old Value New Value
Added CPE Configuration 
OR
 *cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*
 *cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*
 *cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:subscription:*:*:* versions up to (excluding) 16.0.18526.20508
Added Reference Type 
CVE: https://www.bleepingcomputer.com/news/microsoft/microsoft-sharepoint-zero-day-exploited-in-rce-attacks-no-patch-available/ Types: Press/Media Coverage
Added Reference Type 
Microsoft Corporation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53771 Types: Vendor Advisory

CVE Modified by Microsoft Corporation 7/31/2025 4:15:46 PM

Action Type Old Value New Value
Changed 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.

CVE Modified by Microsoft Corporation 7/22/2025 5:15:46 PM

Action Type Old Value New Value
Changed 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.
Added CVSS V3.1 
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Removed CVSS V3.1 
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Added CWE 
CWE-287
Removed CWE 
CWE-20
Removed CWE 
CWE-22
Removed CWE 
CWE-707

CVE Modified by Microsoft Corporation 7/21/2025 6:15:34 PM

Action Type Old Value New Value
Added CVSS V3.1 
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Removed CVSS V3.1 
AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N

CVE Modified by CVE 7/20/2025 8:15:23 PM

Action Type Old Value New Value
Added Reference 
https://www.bleepingcomputer.com/news/microsoft/microsoft-sharepoint-zero-day-exploited-in-rce-attacks-no-patch-available/

New CVE Received from Microsoft Corporation 7/20/2025 7:15:31 PM

Action Type Old Value New Value
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.
Added CVSS V3.1 
AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
Added CWE 
CWE-20
Added CWE 
CWE-22
Added CWE 
CWE-707
Added Reference 
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53771

Quick Info

CVE Dictionary Entry:
CVE-2025-53771
NVD Published Date:
07/20/2025
NVD Last Modified:
06/17/2026
Source:
Microsoft Corporation