CVE-2026-54108: CWE-73: External Control of File Name or Path in Microsoft Microsoft SharePoint Enterprise Server 2016
CVE-2026-54108 is a vulnerability in Microsoft SharePoint Enterprise Server 2016 that allows an authorized attacker to externally control file names or paths, enabling network-based spoofing attacks. The vulnerability has a medium severity with a CVSS score of 6.5. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
This vulnerability involves external control of file name or path in Microsoft Office SharePoint Enterprise Server 2016 (version 16.0.0). An authorized attacker can exploit this flaw to perform spoofing over a network. The vulnerability is tracked as CWE-73 and has a CVSS 3.1 base score of 6.5, indicating a medium severity level. Microsoft has published an official fix to remediate this issue.
Potential Impact
An authorized attacker can manipulate file names or paths externally, which may allow them to conduct spoofing attacks over a network. The confidentiality impact is high, while integrity and availability impacts are not affected. This could lead to users being misled by spoofed content or resources within the SharePoint environment.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. Users of Microsoft SharePoint Enterprise Server 2016 version 16.0.0 should apply the vendor-provided patch as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54108 to remediate this issue.
CVE-2026-54108: CWE-73: External Control of File Name or Path in Microsoft Microsoft SharePoint Enterprise Server 2016
Description
CVE-2026-54108 is a vulnerability in Microsoft SharePoint Enterprise Server 2016 that allows an authorized attacker to externally control file names or paths, enabling network-based spoofing attacks. The vulnerability has a medium severity with a CVSS score of 6.5. An official fix is available from Microsoft to address this issue.
CVSS v3.1
Score 6.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves external control of file name or path in Microsoft Office SharePoint Enterprise Server 2016 (version 16.0.0). An authorized attacker can exploit this flaw to perform spoofing over a network. The vulnerability is tracked as CWE-73 and has a CVSS 3.1 base score of 6.5, indicating a medium severity level. Microsoft has published an official fix to remediate this issue.
Potential Impact
An authorized attacker can manipulate file names or paths externally, which may allow them to conduct spoofing attacks over a network. The confidentiality impact is high, while integrity and availability impacts are not affected. This could lead to users being misled by spoofed content or resources within the SharePoint environment.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. Users of Microsoft SharePoint Enterprise Server 2016 version 16.0.0 should apply the vendor-provided patch as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54108 to remediate this issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-11T20:33:37.835Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54108","vendor":"Microsoft"}]
Threat ID: 6a566f7b68715ace43e6badb
Added to database: 07/14/2026, 17:18:51 UTC
Last enriched: 07/15/2026, 01:04:32 UTC
Last updated: 07/15/2026, 01:04:32 UTC
Views: 3
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