CVE-2026-55051: CWE-918: Server-Side Request Forgery (SSRF) in Microsoft Microsoft SharePoint Enterprise Server 2016
Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-55051) affects Microsoft SharePoint Enterprise Server 2016 (version 16.0.0) and is classified as CWE-918: Server-Side Request Forgery (SSRF). It enables an attacker with authorized access to cause the server to make unintended requests, potentially disclosing sensitive information over the network. The vulnerability does not require user interaction and has a CVSS 3.1 base score of 6.5, indicating medium severity. Microsoft has published an official fix to address this issue.
Potential Impact
An authorized attacker can exploit this SSRF vulnerability to disclose sensitive information over the network. The vulnerability does not impact integrity or availability but has a high impact on confidentiality. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55051 to remediate this vulnerability.
CVE-2026-55051: CWE-918: Server-Side Request Forgery (SSRF) in Microsoft Microsoft SharePoint Enterprise Server 2016
Description
Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.
CVSS v3.1
Score 6.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-55051) affects Microsoft SharePoint Enterprise Server 2016 (version 16.0.0) and is classified as CWE-918: Server-Side Request Forgery (SSRF). It enables an attacker with authorized access to cause the server to make unintended requests, potentially disclosing sensitive information over the network. The vulnerability does not require user interaction and has a CVSS 3.1 base score of 6.5, indicating medium severity. Microsoft has published an official fix to address this issue.
Potential Impact
An authorized attacker can exploit this SSRF vulnerability to disclose sensitive information over the network. The vulnerability does not impact integrity or availability but has a high impact on confidentiality. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55051 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-16T14:13:49.836Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55051","vendor":"Microsoft"}]
Threat ID: 6a5676b368715ace43f0aa9e
Added to database: 07/14/2026, 17:49:39 UTC
Last enriched: 07/14/2026, 19:20:25 UTC
Last updated: 07/14/2026, 20:03:48 UTC
Views: 2
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