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 (version 16.0.0) involves improper neutralization of special elements used in OS commands, classified as CWE-78. An authorized attacker with limited privileges and requiring user interaction can exploit this flaw to execute arbitrary code remotely. The CVSS 3.1 base score is 8.0, indicating high severity with high impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability.
Potential Impact
Successful exploitation allows an authorized attacker to execute arbitrary code remotely on the affected SharePoint server, potentially leading to full compromise of the system, including unauthorized access, data modification, or denial of service.
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-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
Microsoft
Microsoft SharePoint Enterprise Server 2016
Microsoft
Microsoft SharePoint Server 2019
Microsoft
Microsoft SharePoint Server Subscription Edition
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-47294) in Microsoft SharePoint Enterprise Server 2016 (version 16.0.0) involves improper neutralization of special elements used in OS commands, classified as CWE-78. An authorized attacker with limited privileges and requiring user interaction can exploit this flaw to execute arbitrary code remotely. The CVSS 3.1 base score is 8.0, indicating high severity with high impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability.
Potential Impact
Successful exploitation allows an authorized attacker to execute arbitrary code remotely on the affected SharePoint server, potentially leading to full compromise of the system, including unauthorized access, data modification, or denial of service.
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-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: 08/11/2026, 16:59:29 UTC
Last updated: 09/13/2026, 22:01:34 UTC
Views: 119
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