NCSC-2026-0145

Vulnerability from csaf_ncscnl - Published: 2026-05-12 17:53 - Updated: 2026-05-12 17:53
Summary
Kwetsbaarheden verholpen in Microsoft Dynamics
Notes
The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this page to enhance access to its information and security advisories. The use of this security advisory is subject to the following terms and conditions: NCSC-NL makes every reasonable effort to ensure that the content of this page is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or continuous keeping up-to-date. The information contained in this security advisory is intended solely for the purpose of providing general information to professional users. No rights can be derived from the information provided therein. NCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of this security advisory. This includes damage resulting from the inaccuracy of incompleteness of the information contained in the advisory. This security advisory is subject to Dutch law. All disputes related to or arising from the use of this advisory will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings.
Feiten: Microsoft heeft kwetsbaarheden verholpen in diverse componenten van Dynamics.
Interpretaties: Een geauthenticeerde kwaadwillende kan de kwetsbaarheden misbruiken om zich verhoogde rechten toe te kennen, willekeurige code uit te voeren en/of toegang te krijgen tot gevoelige gegevens. De kwetsbaarheid met kenmerk CVE-2026-33821 is reeds centraal verholpen door Microsoft en slechts toegevoegd ter informatie. Er zijn geen acties benodigd voor deze kwetsbaarheid. ``` Dynamics Business Central: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-40417 | 7.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Microsoft Dynamics 365 (on-premises): |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-42898 | 9.90 | Uitvoeren van willekeurige code | | CVE-2026-42833 | 9.10 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| Power Automate: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-40374 | 6.50 | Toegang tot gevoelige gegevens | |----------------|------|-------------------------------------| Microsoft Dynamics 365 Customer Insights: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-33821 | 7.70 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| ```
Oplossingen: Microsoft heeft updates beschikbaar gesteld waarmee de beschreven kwetsbaarheden worden verholpen. We raden u aan om deze updates te installeren. Meer informatie over de kwetsbaarheden, de installatie van de updates en eventuele work-arounds vindt u op: https://portal.msrc.microsoft.com/en-us/security-guidance
Kans: medium
Schade: high
CWE-94: Improper Control of Generation of Code ('Code Injection')
CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
CWE-250: Execution with Unnecessary Privileges
CWE-269: Improper Privilege Management
CWE-1390: Weak Authentication
CVE-2026-40374

A vulnerability in Power Automate allows an authorized attacker to expose sensitive information to unauthorized actors over a network.

6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Affected products
Product Identifier Version Remediation
vers:unknown/*
Microsoft / Dynamics 365
 vers:unknown/*
vers:unknown/*
Microsoft / Dynamics 365 Customer Insights
 vers:unknown/*
vers:unknown/*
Microsoft / Microsoft Dynamics 365 (on-premises) version 9.1
 vers:unknown/*
vers:unknown/*
Microsoft / Microsoft Dynamics 365 Business Central 2024 Release Wave 2
 vers:unknown/*
vers:unknown/*
Microsoft / Microsoft Dynamics 365 Business Central 2026 Release Wave 1
 vers:unknown/*
vers:unknown/*
Microsoft / Microsoft Dynamics 365 Business Central Release Wave 1 2025
 vers:unknown/*
vers:unknown/*
Microsoft / Microsoft Dynamics 365 Business Central Release Wave 2 2025
 vers:unknown/*
vers:unknown/*
Microsoft / Power Automate for Desktop
 vers:unknown/*
CVE-2026-40417

Weak authentication in Microsoft Dynamics Business Central allows an authorized local attacker to elevate their privileges, potentially compromising system integrity.

7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CWE-1390 - Weak Authentication
Affected products
Product Identifier Version Remediation
vers:unknown/*
Microsoft / Dynamics 365
 vers:unknown/*
vers:unknown/*
Microsoft / Dynamics 365 Customer Insights
 vers:unknown/*
vers:unknown/*
Microsoft / Microsoft Dynamics 365 (on-premises) version 9.1
 vers:unknown/*
vers:unknown/*
Microsoft / Microsoft Dynamics 365 Business Central 2024 Release Wave 2
 vers:unknown/*
vers:unknown/*
Microsoft / Microsoft Dynamics 365 Business Central 2026 Release Wave 1
 vers:unknown/*
vers:unknown/*
Microsoft / Microsoft Dynamics 365 Business Central Release Wave 1 2025
 vers:unknown/*
vers:unknown/*
Microsoft / Microsoft Dynamics 365 Business Central Release Wave 2 2025
 vers:unknown/*
vers:unknown/*
Microsoft / Power Automate for Desktop
 vers:unknown/*
CVE-2026-42898

An improper control of code generation vulnerability in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to remotely execute code over a network.

9.9 (Critical)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
CWE-94 - Improper Control of Generation of Code ('Code Injection')
Affected products
Product Identifier Version Remediation
vers:unknown/*
Microsoft / Dynamics 365
 vers:unknown/*
vers:unknown/*
Microsoft / Dynamics 365 Customer Insights
 vers:unknown/*
vers:unknown/*
Microsoft / Microsoft Dynamics 365 (on-premises) version 9.1
 vers:unknown/*
vers:unknown/*
Microsoft / Microsoft Dynamics 365 Business Central 2024 Release Wave 2
 vers:unknown/*
vers:unknown/*
Microsoft / Microsoft Dynamics 365 Business Central 2026 Release Wave 1
 vers:unknown/*
vers:unknown/*
Microsoft / Microsoft Dynamics 365 Business Central Release Wave 1 2025
 vers:unknown/*
vers:unknown/*
Microsoft / Microsoft Dynamics 365 Business Central Release Wave 2 2025
 vers:unknown/*
vers:unknown/*
Microsoft / Power Automate for Desktop
 vers:unknown/*
CVE-2026-42833

A vulnerability in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to execute code over a network by leveraging execution with unnecessary privileges.

9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
CWE-250 - Execution with Unnecessary Privileges
Affected products
Product Identifier Version Remediation
vers:unknown/*
Microsoft / Dynamics 365
 vers:unknown/*
vers:unknown/*
Microsoft / Dynamics 365 Customer Insights
 vers:unknown/*
vers:unknown/*
Microsoft / Microsoft Dynamics 365 (on-premises) version 9.1
 vers:unknown/*
vers:unknown/*
Microsoft / Microsoft Dynamics 365 Business Central 2024 Release Wave 2
 vers:unknown/*
vers:unknown/*
Microsoft / Microsoft Dynamics 365 Business Central 2026 Release Wave 1
 vers:unknown/*
vers:unknown/*
Microsoft / Microsoft Dynamics 365 Business Central Release Wave 1 2025
 vers:unknown/*
vers:unknown/*
Microsoft / Microsoft Dynamics 365 Business Central Release Wave 2 2025
 vers:unknown/*
vers:unknown/*
Microsoft / Power Automate for Desktop
 vers:unknown/*
CVE-2026-33821

Improper privilege management in Microsoft Dynamics 365 Customer Insights allows an authorized attacker to elevate privileges over a network, potentially compromising system integrity.

7.7 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N/E:U/RL:O/RC:C
Affected products
Product Identifier Version Remediation
vers:unknown/*
Microsoft / Dynamics 365
 vers:unknown/*
vers:unknown/*
Microsoft / Dynamics 365 Customer Insights
 vers:unknown/*
vers:unknown/*
Microsoft / Microsoft Dynamics 365 (on-premises) version 9.1
 vers:unknown/*
vers:unknown/*
Microsoft / Microsoft Dynamics 365 Business Central 2024 Release Wave 2
 vers:unknown/*
vers:unknown/*
Microsoft / Microsoft Dynamics 365 Business Central 2026 Release Wave 1
 vers:unknown/*
vers:unknown/*
Microsoft / Microsoft Dynamics 365 Business Central Release Wave 1 2025
 vers:unknown/*
vers:unknown/*
Microsoft / Microsoft Dynamics 365 Business Central Release Wave 2 2025
 vers:unknown/*
vers:unknown/*
Microsoft / Power Automate for Desktop
 vers:unknown/*
References
To clipboard 

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          "text": "A vulnerability in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to execute code over a network by leveraging execution with unnecessary privileges.",
          "title": "Summary"
        }
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      "product_status": {
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          "CSAFPID-2",
          "CSAFPID-3",
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          "CSAFPID-5",
          "CSAFPID-6",
          "CSAFPID-7",
          "CSAFPID-8"
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          "category": "self",
          "summary": "CVE-2026-42833 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-42833.json"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
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            "CSAFPID-2",
            "CSAFPID-3",
            "CSAFPID-4",
            "CSAFPID-5",
            "CSAFPID-6",
            "CSAFPID-7",
            "CSAFPID-8"
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          "title": "Summary"
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          "text": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N",
          "title": "CVSSV4"
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          "CSAFPID-6",
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            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-1",
            "CSAFPID-2",
            "CSAFPID-3",
            "CSAFPID-4",
            "CSAFPID-5",
            "CSAFPID-6",
            "CSAFPID-7",
            "CSAFPID-8"
          ]
        }
      ],
      "title": "CVE-2026-33821"
    }
  ]
}


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Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.