NCSC-2026-0057

Vulnerability from csaf_ncscnl - Published: 2026-02-10 19:08 - Updated: 2026-02-10 19:08
Summary
Kwetsbaarheden verholpen in Microsoft Azure

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 Azure componenten.
Interpretaties
Een kwaadwillende kan de kwetsbaarheden misbruiken om zich voor te doen als andere gebruiker, zich mogelijk verhoogde rechten toe te kennen en zo willekeurige code uit te voeren of toegang te krijgen tot gevoelige gegevens. Van de kwetsbaarheden met kenmerk CVE-2026-21532, CVE-2026-24300 en CVE-2026-24302 meldt Microsoft dat deze in hun centrale Azure-infrastructuur zijn verholpen en dat deze kwetsbaarheden geen actie van gebruikers vereist. Deze kwetsbaarheden zijn ter informatie opgenomen. ``` Azure Front Door (AFD): |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-24300 | 9.80 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Azure Function: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-21532 | 8.20 | Toegang tot gevoelige gegevens | |----------------|------|-------------------------------------| Azure HDInsights: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-21529 | 5.70 | Voordoen als andere gebruiker | |----------------|------|-------------------------------------| Azure Compute Gallery: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-23655 | 6.50 | Toegang tot gevoelige gegevens | | CVE-2026-21522 | 6.70 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Azure Local: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-21228 | 8.10 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| Azure Arc: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-24302 | 8.60 | Verkrijgen van verhoogde rechten | |----------------|------|-------------------------------------| Azure IoT SDK: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-21528 | 6.50 | Toegang tot gevoelige gegevens | |----------------|------|-------------------------------------| Azure DevOps Server: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-21512 | 6.50 | Voordoen als andere gebruiker | |----------------|------|-------------------------------------| Azure SDK: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-21531 | 9.80 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| ```
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-77
Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-200
Exposure of Sensitive Information to an Unauthorized Actor
CWE-284
Improper Access Control
CWE-295
Improper Certificate Validation
CWE-312
Cleartext Storage of Sensitive Information
CWE-502
Deserialization of Untrusted Data
CWE-918
Server-Side Request Forgery (SSRF)
CWE-1327
Binding to an Unrestricted IP Address
To clipboard 

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        "text": "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:\n\n    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.\n\n    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.\n    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."
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        "category": "description",
        "text": "Microsoft heeft kwetsbaarheden verholpen in diverse Azure componenten.",
        "title": "Feiten"
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      {
        "category": "description",
        "text": "Een kwaadwillende kan de kwetsbaarheden misbruiken om zich voor te doen als andere gebruiker, zich mogelijk verhoogde rechten toe te kennen en zo willekeurige code uit te voeren of toegang te krijgen tot gevoelige gegevens.\n\nVan de kwetsbaarheden met kenmerk CVE-2026-21532, CVE-2026-24300 en CVE-2026-24302 meldt Microsoft dat deze in hun centrale Azure-infrastructuur zijn verholpen en dat deze kwetsbaarheden geen actie van gebruikers vereist. Deze kwetsbaarheden zijn ter informatie opgenomen.\n\n```\nAzure Front Door (AFD): \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-24300 | 9.80 | Verkrijgen van verhoogde rechten    | \n|----------------|------|-------------------------------------|\n\nAzure Function: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-21532 | 8.20 | Toegang tot gevoelige gegevens      | \n|----------------|------|-------------------------------------|\n\nAzure HDInsights: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-21529 | 5.70 | Voordoen als andere gebruiker       | \n|----------------|------|-------------------------------------|\n\nAzure Compute Gallery: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-23655 | 6.50 | Toegang tot gevoelige gegevens      | \n| CVE-2026-21522 | 6.70 | Verkrijgen van verhoogde rechten    | \n|----------------|------|-------------------------------------|\n\nAzure Local: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-21228 | 8.10 | Uitvoeren van willekeurige code     | \n|----------------|------|-------------------------------------|\n\nAzure Arc: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-24302 | 8.60 | Verkrijgen van verhoogde rechten    | \n|----------------|------|-------------------------------------|\n\nAzure IoT SDK: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-21528 | 6.50 | Toegang tot gevoelige gegevens      | \n|----------------|------|-------------------------------------|\n\nAzure DevOps Server: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-21512 | 6.50 | Voordoen als andere gebruiker       | \n|----------------|------|-------------------------------------|\n\nAzure SDK: \n|----------------|------|-------------------------------------|\n| CVE-ID         | CVSS | Impact                              |\n|----------------|------|-------------------------------------|\n| CVE-2026-21531 | 9.80 | Uitvoeren van willekeurige code     | \n|----------------|------|-------------------------------------|\n\n```",
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        "text": "Improper Neutralization of Special Elements used in a Command (\u0027Command Injection\u0027)",
        "title": "CWE-77"
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        "text": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
        "title": "CWE-79"
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        "name": "Cleartext Storage of Sensitive Information"
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          "category": "other",
          "text": "Cleartext Storage of Sensitive Information",
          "title": "CWE-312"
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        {
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          "title": "Summary"
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          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-23655.json"
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      "scores": [
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            "CSAFPID-7",
            "CSAFPID-8",
            "CSAFPID-9",
            "CSAFPID-10"
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      "title": "CVE-2026-23655"
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        "name": "Improper Neutralization of Special Elements used in a Command (\u0027Command Injection\u0027)"
      },
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          "text": "Improper Neutralization of Special Elements used in a Command (\u0027Command Injection\u0027)",
          "title": "CWE-77"
        },
        {
          "category": "description",
          "text": "A vulnerability in Azure Compute Gallery allows an authorized attacker to improperly neutralize special elements in a command, leading to local privilege escalation.",
          "title": "Summary"
        }
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          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-21522.json"
        }
      ],
      "scores": [
        {
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            "baseScore": 6.7,
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            "CSAFPID-7",
            "CSAFPID-8",
            "CSAFPID-9",
            "CSAFPID-10"
          ]
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      "title": "CVE-2026-21522"
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      "cwe": {
        "id": "CWE-284",
        "name": "Improper Access Control"
      },
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        {
          "category": "other",
          "text": "Improper Access Control",
          "title": "CWE-284"
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        {
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          "text": "Azure Front Door has a vulnerability that may allow for an elevation of privilege, posing a potential security risk.",
          "title": "Summary"
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        {
          "category": "general",
          "text": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
          "title": "CVSSV4"
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          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-24300.json"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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",
            "CSAFPID-9",
            "CSAFPID-10"
          ]
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      ],
      "title": "CVE-2026-24300"
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    {
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      "cwe": {
        "id": "CWE-284",
        "name": "Improper Access Control"
      },
      "notes": [
        {
          "category": "other",
          "text": "Improper Access Control",
          "title": "CWE-284"
        },
        {
          "category": "description",
          "text": "The document outlines a security vulnerability in Azure Arc that enables unauthorized users to obtain elevated privileges within the system.",
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          "text": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
          "title": "CVSSV4"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-1",
          "CSAFPID-2",
          "CSAFPID-3",
          "CSAFPID-4",
          "CSAFPID-5",
          "CSAFPID-6",
          "CSAFPID-7",
          "CSAFPID-8",
          "CSAFPID-9",
          "CSAFPID-10"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-24302 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-24302.json"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/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",
            "CSAFPID-9",
            "CSAFPID-10"
          ]
        }
      ],
      "title": "CVE-2026-24302"
    },
    {
      "cve": "CVE-2026-21532",
      "cwe": {
        "id": "CWE-200",
        "name": "Exposure of Sensitive Information to an Unauthorized Actor"
      },
      "notes": [
        {
          "category": "other",
          "text": "Exposure of Sensitive Information to an Unauthorized Actor",
          "title": "CWE-200"
        },
        {
          "category": "description",
          "text": "The document outlines a security vulnerability in Azure Functions that may allow unauthorized access to sensitive information.",
          "title": "Summary"
        },
        {
          "category": "general",
          "text": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
          "title": "CVSSV4"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-1",
          "CSAFPID-2",
          "CSAFPID-3",
          "CSAFPID-4",
          "CSAFPID-5",
          "CSAFPID-6",
          "CSAFPID-7",
          "CSAFPID-8",
          "CSAFPID-9",
          "CSAFPID-10"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-21532 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-21532.json"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/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",
            "CSAFPID-9",
            "CSAFPID-10"
          ]
        }
      ],
      "title": "CVE-2026-21532"
    },
    {
      "cve": "CVE-2026-21528",
      "cwe": {
        "id": "CWE-1327",
        "name": "Binding to an Unrestricted IP Address"
      },
      "notes": [
        {
          "category": "other",
          "text": "Binding to an Unrestricted IP Address",
          "title": "CWE-1327"
        },
        {
          "category": "description",
          "text": "Binding to an unrestricted IP address in the Azure IoT SDK can lead to unauthorized information disclosure over a network.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-1",
          "CSAFPID-2",
          "CSAFPID-3",
          "CSAFPID-4",
          "CSAFPID-5",
          "CSAFPID-6",
          "CSAFPID-7",
          "CSAFPID-8",
          "CSAFPID-9",
          "CSAFPID-10"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-21528 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-21528.json"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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",
            "CSAFPID-9",
            "CSAFPID-10"
          ]
        }
      ],
      "title": "CVE-2026-21528"
    },
    {
      "cve": "CVE-2026-21531",
      "cwe": {
        "id": "CWE-502",
        "name": "Deserialization of Untrusted Data"
      },
      "notes": [
        {
          "category": "other",
          "text": "Deserialization of Untrusted Data",
          "title": "CWE-502"
        },
        {
          "category": "description",
          "text": "The Azure SDK\u0027s deserialization of untrusted data presents a security vulnerability that allows unauthorized code execution over a network.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-1",
          "CSAFPID-2",
          "CSAFPID-3",
          "CSAFPID-4",
          "CSAFPID-5",
          "CSAFPID-6",
          "CSAFPID-7",
          "CSAFPID-8",
          "CSAFPID-9",
          "CSAFPID-10"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-21531 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-21531.json"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/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",
            "CSAFPID-9",
            "CSAFPID-10"
          ]
        }
      ],
      "title": "CVE-2026-21531"
    },
    {
      "cve": "CVE-2026-21529",
      "cwe": {
        "id": "CWE-79",
        "name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
      },
      "notes": [
        {
          "category": "other",
          "text": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
          "title": "CWE-79"
        },
        {
          "category": "description",
          "text": "The document outlines a vulnerability in Azure HDInsights that allows an authorized attacker to exploit improper input neutralization during web page generation, leading to cross-site scripting and network spoofing.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-1",
          "CSAFPID-2",
          "CSAFPID-3",
          "CSAFPID-4",
          "CSAFPID-5",
          "CSAFPID-6",
          "CSAFPID-7",
          "CSAFPID-8",
          "CSAFPID-9",
          "CSAFPID-10"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-21529 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-21529.json"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.7,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/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",
            "CSAFPID-9",
            "CSAFPID-10"
          ]
        }
      ],
      "title": "CVE-2026-21529"
    },
    {
      "cve": "CVE-2026-21228",
      "cwe": {
        "id": "CWE-295",
        "name": "Improper Certificate Validation"
      },
      "notes": [
        {
          "category": "other",
          "text": "Improper Certificate Validation",
          "title": "CWE-295"
        },
        {
          "category": "description",
          "text": "Improper certificate validation in Azure Local allows unauthorized attackers to execute code over a network, posing a significant security risk.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-1",
          "CSAFPID-2",
          "CSAFPID-3",
          "CSAFPID-4",
          "CSAFPID-5",
          "CSAFPID-6",
          "CSAFPID-7",
          "CSAFPID-8",
          "CSAFPID-9",
          "CSAFPID-10"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-21228 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-21228.json"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/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",
            "CSAFPID-9",
            "CSAFPID-10"
          ]
        }
      ],
      "title": "CVE-2026-21228"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.