CVE-2025-21348: CWE-285: Improper Authorization in Microsoft Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Server Remote Code Execution Vulnerability
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2025-21348 and categorized under CWE-285 (Improper Authorization), affects Microsoft SharePoint Enterprise Server 2016 version 16.0.0. It allows remote code execution due to improper authorization controls. The CVSS v3.1 base score is 7.2, indicating high severity, with network attack vector, low attack complexity, and requiring high privileges but no user interaction. Microsoft has published an official fix for this vulnerability, as detailed in their security update guide.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker with high privileges to execute arbitrary code remotely on the affected SharePoint server. This could lead to full compromise of the system, including confidentiality, integrity, and availability impacts.
Mitigation Recommendations
An official fix is available from Microsoft. Administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21348 to remediate this vulnerability.
CVE-2025-21348: CWE-285: Improper Authorization in Microsoft Microsoft SharePoint Enterprise Server 2016
Description
Microsoft SharePoint Server Remote Code Execution Vulnerability
CVSS v3.1
Score 7.2high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2025-21348 and categorized under CWE-285 (Improper Authorization), affects Microsoft SharePoint Enterprise Server 2016 version 16.0.0. It allows remote code execution due to improper authorization controls. The CVSS v3.1 base score is 7.2, indicating high severity, with network attack vector, low attack complexity, and requiring high privileges but no user interaction. Microsoft has published an official fix for this vulnerability, as detailed in their security update guide.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker with high privileges to execute arbitrary code remotely on the affected SharePoint server. This could lead to full compromise of the system, including confidentiality, integrity, and availability impacts.
Mitigation Recommendations
An official fix is available from Microsoft. Administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21348 to remediate this vulnerability.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- microsoft
- Date Reserved
- 2024-12-11T00:29:48.353Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21348","vendor":"Microsoft"}]
Threat ID: 68c0bd539ed239a66badec13
Added to database: 09/09/2025, 23:50:43 UTC
Last enriched: 06/10/2026, 09:57:48 UTC
Last updated: 07/08/2026, 02:49:00 UTC
Views: 182
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