CVE-2026-42833: CWE-250: Execution with Unnecessary Privileges in Microsoft Microsoft Dynamics 365 (on-premises) version 9.1
Improper control of generation of code ('code injection') in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to execute code over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-42833) affects Microsoft Dynamics 365 (on-premises) version 9.1 and is classified as CWE-250: Execution with Unnecessary Privileges. It involves improper control of code generation, effectively a form of code injection, which allows an authorized attacker to execute arbitrary code remotely over a network. The CVSS v3.1 base score is 9.1 (critical), reflecting high impact on confidentiality, integrity, and availability. Microsoft has issued an official fix and manages remediation for this cloud service. The vulnerability was published on May 12, 2026.
Potential Impact
An authorized attacker can execute arbitrary code remotely with elevated privileges, potentially leading to full compromise of the affected system, including complete loss of confidentiality, integrity, and availability of data and services.
Mitigation Recommendations
An official fix is available from Microsoft. Since this is a cloud-hosted service, Microsoft manages remediation server-side. Users should consult the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42833 for detailed patching instructions and ensure their systems are updated accordingly.
CVE-2026-42833: CWE-250: Execution with Unnecessary Privileges in Microsoft Microsoft Dynamics 365 (on-premises) version 9.1
Description
Improper control of generation of code ('code injection') in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to execute code over a network.
CVSS v3.1
Score 9.1critical
Affected software
Microsoft
Microsoft Dynamics 365 (on-premises) version 9.1
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-42833) affects Microsoft Dynamics 365 (on-premises) version 9.1 and is classified as CWE-250: Execution with Unnecessary Privileges. It involves improper control of code generation, effectively a form of code injection, which allows an authorized attacker to execute arbitrary code remotely over a network. The CVSS v3.1 base score is 9.1 (critical), reflecting high impact on confidentiality, integrity, and availability. Microsoft has issued an official fix and manages remediation for this cloud service. The vulnerability was published on May 12, 2026.
Potential Impact
An authorized attacker can execute arbitrary code remotely with elevated privileges, potentially leading to full compromise of the affected system, including complete loss of confidentiality, integrity, and availability of data and services.
Mitigation Recommendations
An official fix is available from Microsoft. Since this is a cloud-hosted service, Microsoft manages remediation server-side. Users should consult the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42833 for detailed patching instructions and ensure their systems are updated accordingly.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-04-30T14:51:12.703Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Is Cloud Service
- true
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42833","vendor":"Microsoft"}]
Threat ID: 6a036564cbff5d861008cc90
Added to database: 05/12/2026, 17:37:40 UTC
Last enriched: 08/11/2026, 16:55:33 UTC
Last updated: 09/13/2026, 10:01:31 UTC
Views: 97
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