WID-SEC-W-2026-1649

Vulnerability from csaf_certbund - Published: 2026-05-21 22:00 - Updated: 2026-05-25 22:00
Summary
Microsoft Azure: Mehrere Schwachstellen
Severity
Hoch
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung: Azure ist eine Cloud Computing-Plattform von Microsoft. Azure Stack ist ein Microsoft-Produkt aus der Azure-Familie. Mit Azure Stack können die Public-Cloud-Services von Microsoft auch im eigenen Rechenzentrum betrieben werden.
Angriff: Ein Angreifer kann mehrere Schwachstellen in Microsoft Azure und Microsoft Azure Stack ausnutzen, um Informationen offenzulegen, erweiterte Privilegien zu erlangen oder beliebigen Code auszuführen.
Betroffene Betriebssysteme: - Sonstiges - UNIX - Windows
CVE-2026-26147
Affected products
Product Identifier Version Remediation
Microsoft Azure Stack HCI
Microsoft / Azure Stack
 cpe:/a:microsoft:azure_stack:hci HCI
CVE-2026-33843
Affected products
Product Identifier Version Remediation
Microsoft Azure Active Directory B2C
Microsoft / Azure
 cpe:/a:microsoft:azure:active_directory_b2c Active Directory B2C
CVE-2026-35430
Affected products
Product Identifier Version Remediation
Microsoft Azure Privileged Identity Management
Microsoft / Azure
 cpe:/a:microsoft:azure:privileged_identity_management Privileged Identity Management
CVE-2026-40411
Affected products
Product Identifier Version Remediation
Microsoft Azure Virtual Network Gateway
Microsoft / Azure
 cpe:/a:microsoft:azure:virtual_network_gateway Virtual Network Gateway
CVE-2026-40412
Affected products
Product Identifier Version Remediation
Microsoft Azure Orbital Spatio
Microsoft / Azure
 cpe:/a:microsoft:azure:orbital_spatio Orbital Spatio
References
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "hoch"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Azure ist eine Cloud Computing-Plattform von Microsoft.\r\nAzure Stack ist ein Microsoft-Produkt aus der Azure-Familie. Mit Azure Stack k\u00f6nnen die Public-Cloud-Services von Microsoft auch im eigenen Rechenzentrum betrieben werden.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann mehrere Schwachstellen in Microsoft Azure und Microsoft Azure Stack ausnutzen, um Informationen offenzulegen, erweiterte Privilegien zu erlangen oder beliebigen Code auszuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Sonstiges\n- UNIX\n- Windows",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2026-1649 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1649.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-1649 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1649"
      },
      {
        "category": "external",
        "summary": "Microsoft Security Advisory CVE-2026-33843 vom 2026-05-21",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33843"
      },
      {
        "category": "external",
        "summary": "Microsoft Security Advisory CVE-2026-35430 vom 2026-05-21",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35430"
      },
      {
        "category": "external",
        "summary": "Microsoft Security Advisory CVE-2026-40411 vom 2026-05-21",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40411"
      },
      {
        "category": "external",
        "summary": "Microsoft Security Advisory CVE-2026-40412 vom 2026-05-21",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40412"
      },
      {
        "category": "external",
        "summary": "Microsoft Security Advisory CVE-2026-26147 vom 2026-05-21",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26147"
      }
    ],
    "source_lang": "en-US",
    "title": "Microsoft Azure: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-05-25T22:00:00.000+00:00",
      "generator": {
        "date": "2026-05-26T12:17:53.859+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2026-1649",
      "initial_release_date": "2026-05-21T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-05-21T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-05-25T22:00:00.000+00:00",
          "number": "2",
          "summary": "Referenz(en) aufgenommen: EUVD-2026-31510, EUVD-2026-31511, EUVD-2026-31509, EUVD-2026-31519, EUVD-2026-31516"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "Active Directory B2C",
                "product": {
                  "name": "Microsoft Azure Active Directory B2C",
                  "product_id": "T054516",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:microsoft:azure:active_directory_b2c"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "Privileged Identity Management",
                "product": {
                  "name": "Microsoft Azure Privileged Identity Management",
                  "product_id": "T054517",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:microsoft:azure:privileged_identity_management"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "Virtual Network Gateway",
                "product": {
                  "name": "Microsoft Azure Virtual Network Gateway",
                  "product_id": "T054518",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:microsoft:azure:virtual_network_gateway"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "Orbital Spatio",
                "product": {
                  "name": "Microsoft Azure Orbital Spatio",
                  "product_id": "T054519",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:microsoft:azure:orbital_spatio"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Azure"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "HCI",
                "product": {
                  "name": "Microsoft Azure Stack HCI",
                  "product_id": "T054520",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:microsoft:azure_stack:hci"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Stack"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-26147",
      "product_status": {
        "known_affected": [
          "T054520"
        ]
      },
      "release_date": "2026-05-21T22:00:00.000+00:00",
      "title": "CVE-2026-26147"
    },
    {
      "cve": "CVE-2026-33843",
      "product_status": {
        "known_affected": [
          "T054516"
        ]
      },
      "release_date": "2026-05-21T22:00:00.000+00:00",
      "title": "CVE-2026-33843"
    },
    {
      "cve": "CVE-2026-35430",
      "product_status": {
        "known_affected": [
          "T054517"
        ]
      },
      "release_date": "2026-05-21T22:00:00.000+00:00",
      "title": "CVE-2026-35430"
    },
    {
      "cve": "CVE-2026-40411",
      "product_status": {
        "known_affected": [
          "T054518"
        ]
      },
      "release_date": "2026-05-21T22:00:00.000+00:00",
      "title": "CVE-2026-40411"
    },
    {
      "cve": "CVE-2026-40412",
      "product_status": {
        "known_affected": [
          "T054519"
        ]
      },
      "release_date": "2026-05-21T22:00:00.000+00:00",
      "title": "CVE-2026-40412"
    }
  ]
}


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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

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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.
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