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URL: https://nvd.nist.gov/vuln/detail/CVE-2025-49706

⇱ NVD - CVE-2025-49706

  1. Vulnerabilities

CVE-2025-49706 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-2025-49706 Microsoft Corporation Vendor Advisory 
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-49706 CISA-ADP US Government Resource 
https://www.microsoft.com/en-us/security/blog/2025/07/22/disrupting-active-exploitation-of-on-premises-sharepoint-vulnerabilities/ CISA-ADP Press/Media Coverage  Vendor Advisory 

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability Name Date Added Due Date Required Action
Microsoft SharePoint Improper Authentication Vulnerability 07/22/2025 07/23/2025 Disconnect public-facing versions of SharePoint Server that have reached their end-of-life (EOL) or end-of-service (EOS) to include SharePoint Server 2013 and earlier versions. For supported versions, please follow the mitigations according to CISA (URL listed below in Notes) and vendor instructions (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.

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

14 change records found show changes

CVE Modified by CISA-ADP 6/17/2026 5:31:46 AM

Action Type Old Value New Value
Added SSVC 
{"timestamp":"2025-07-23T03:55:23.189017Z","id":"CVE-2025-49706","options":[{"exploitation":"active"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}

CVE Modified by Microsoft Corporation 6/17/2026 5:31:46 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":"16.0.5508.1000","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft SharePoint Server 2019","platforms":["x64-based Systems"],"versions":[{"version":"16.0.0","lessThan":"16.0.10417.20027","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft SharePoint Server Subscription Edition","platforms":["x64-based Systems"],"versions":[{"version":"16.0.0","lessThan":"16.0.18526.20424","versionType":"custom","status":"affected"}]}]

Modified Analysis by NIST 10/27/2025 1:12:29 PM

Action Type Old Value New Value
Added Reference Type 
CISA-ADP: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-49706 Types: US Government Resource

CVE Modified by CISA-ADP 10/21/2025 7:17:05 PM

Action Type Old Value New Value
Added Reference 
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-49706

CVE Modified by CISA-ADP 10/21/2025 4:20:39 PM

Action Type Old Value New Value
Removed Reference 
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-49706

CVE Modified by CISA-ADP 10/21/2025 3:21:21 PM

Action Type Old Value New Value
Added Reference 
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-49706

CVE CISA KEV Update by Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government 7/29/2025 9:00:01 PM

Action Type Old Value New Value
Changed Required Action 
CISA recommends disconnecting public-facing versions of SharePoint Server that have reached their end-of-life (EOL) or end-of-service (EOS). For example, SharePoint Server 2013 and earlier versions are end-of-life and should be discontinued if still in use. For supported versions, please follow the mitigations according to CISA and vendor instructions. Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.


 
Disconnect public-facing versions of SharePoint Server that have reached their end-of-life (EOL) or end-of-service (EOS) to include SharePoint Server 2013 and earlier versions. For supported versions, please follow the mitigations according to CISA (URL listed below in Notes) and vendor instructions (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.

Modified Analysis by NIST 7/23/2025 2:00:35 PM

Action Type Old Value New Value
Added Reference Type 
CISA-ADP: https://www.microsoft.com/en-us/security/blog/2025/07/22/disrupting-active-exploitation-of-on-premises-sharepoint-vulnerabilities/ Types: Press/Media Coverage, Vendor Advisory

CVE CISA KEV Update by Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government 7/22/2025 9:00:02 PM

Action Type Old Value New Value
Added Date Added 
2025-07-22
Added Due Date 
2025-07-23
Added Required Action 
CISA recommends disconnecting public-facing versions of SharePoint Server that have reached their end-of-life (EOL) or end-of-service (EOS). For example, SharePoint Server 2013 and earlier versions are end-of-life and should be discontinued if still in use. For supported versions, please follow the mitigations according to CISA and vendor instructions. Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.
Added Vulnerability Name 
Microsoft SharePoint Improper Authentication Vulnerability

CVE Modified by Microsoft Corporation 7/22/2025 5:15:39 PM

Action Type Old Value New Value
Changed Description 
Improper authentication in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.


 
Improper authentication 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

CVE Modified by CISA-ADP 7/22/2025 12:15:30 PM

Action Type Old Value New Value
Added Reference 
https://www.microsoft.com/en-us/security/blog/2025/07/22/disrupting-active-exploitation-of-on-premises-sharepoint-vulnerabilities/

CVE Modified by Microsoft Corporation 7/21/2025 6:15:31 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

Initial Analysis by NIST 7/16/2025 1:41:44 PM

Action Type Old Value New Value
Added CPE Configuration 
OR
 *cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*
 *cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*
 *cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:subscription:*:*:* versions up to (excluding) 16.0.18526.20424
Added Reference Type 
Microsoft Corporation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49706 Types: Vendor Advisory

New CVE Received from Microsoft Corporation 7/08/2025 1:15:58 PM

Action Type Old Value New Value
Added Description 
Improper authentication 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-287
Added Reference 
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49706

Quick Info

CVE Dictionary Entry:
CVE-2025-49706
NVD Published Date:
07/08/2025
NVD Last Modified:
06/17/2026
Source:
Microsoft Corporation