CVE-2026-47294: CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in Microsoft Microsoft SharePoint Enterprise Server 2016
Improper neutralization of special elements used in an os command ('os command injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-47294) in Microsoft SharePoint Enterprise Server 2016 involves improper neutralization of special elements used in OS commands, classified as CWE-78 (OS Command Injection). An authorized attacker can leverage this flaw to execute arbitrary code remotely over the network. The vulnerability affects version 16.0.0 of the product. Microsoft has published an official fix to address this issue, as detailed in their security advisory.
Potential Impact
Successful exploitation allows an authorized attacker to execute arbitrary code remotely on the affected SharePoint server, potentially leading to full compromise of confidentiality, integrity, and availability of the system. This can result in unauthorized data access, modification, or denial of service.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the security update referenced in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47294 to remediate this vulnerability.
CVE-2026-47294: CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in Microsoft Microsoft SharePoint Enterprise Server 2016
Description
Improper neutralization of special elements used in an os command ('os command injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
CVSS v3.1
Score 8.0high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-47294) in Microsoft SharePoint Enterprise Server 2016 involves improper neutralization of special elements used in OS commands, classified as CWE-78 (OS Command Injection). An authorized attacker can leverage this flaw to execute arbitrary code remotely over the network. The vulnerability affects version 16.0.0 of the product. Microsoft has published an official fix to address this issue, as detailed in their security advisory.
Potential Impact
Successful exploitation allows an authorized attacker to execute arbitrary code remotely on the affected SharePoint server, potentially leading to full compromise of confidentiality, integrity, and availability of the system. This can result in unauthorized data access, modification, or denial of service.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the security update referenced in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47294 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-18T23:53:33.897Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47294","vendor":"Microsoft"}]
Threat ID: 6a1de30be29bf47b503a571a
Added to database: 06/01/2026, 19:52:43 UTC
Last enriched: 06/23/2026, 14:39:01 UTC
Last updated: 07/31/2026, 19:22:59 UTC
Views: 87
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