WID-SEC-W-2026-1670

Vulnerability from csaf_certbund - Published: 2026-05-25 22:00 - Updated: 2026-05-25 22:00
Summary
Microsoft 365 Copilot: 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: Microsoft Copilot ist ein KI-Assistent, der in verschiedene Microsoft-Produkte integriert werden kann.
Angriff: Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Microsoft 365 Copilot ausnutzen, um beliebigen Programmcode auszuführen und um vertrauliche Informationen offenzulegen.
Betroffene Betriebssysteme: - iPhoneOS - Sonstiges - Windows
CVE-2026-41090
Affected products
Product Identifier Version Remediation
Microsoft 365 Copilot
Microsoft
 cpe:/a:microsoft:365_copilot:- —
CVE-2026-42827
Affected products
Product Identifier Version Remediation
Microsoft 365 Copilot
Microsoft
 cpe:/a:microsoft:365_copilot:- —
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": "Microsoft Copilot ist ein KI-Assistent, der in verschiedene Microsoft-Produkte integriert werden kann.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Microsoft 365 Copilot ausnutzen, um beliebigen Programmcode auszuf\u00fchren und um vertrauliche Informationen offenzulegen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- iPhoneOS\n- Sonstiges\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-2026-1670 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1670.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-1670 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1670"
      },
      {
        "category": "external",
        "summary": "Microsoft Security Advisory vom 2026-05-25",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41090"
      },
      {
        "category": "external",
        "summary": "Microsoft Security Advisory vom 2026-05-25",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42827"
      }
    ],
    "source_lang": "en-US",
    "title": "Microsoft 365 Copilot: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-05-25T22:00:00.000+00:00",
      "generator": {
        "date": "2026-05-26T11:51:07.303+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2026-1670",
      "initial_release_date": "2026-05-25T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-05-25T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Microsoft 365 Copilot",
            "product": {
              "name": "Microsoft 365 Copilot",
              "product_id": "T054673",
              "product_identification_helper": {
                "cpe": "cpe:/a:microsoft:365_copilot:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-41090",
      "product_status": {
        "known_affected": [
          "T054673"
        ]
      },
      "release_date": "2026-05-25T22:00:00.000+00:00",
      "title": "CVE-2026-41090"
    },
    {
      "cve": "CVE-2026-42827",
      "product_status": {
        "known_affected": [
          "T054673"
        ]
      },
      "release_date": "2026-05-25T22:00:00.000+00:00",
      "title": "CVE-2026-42827"
    }
  ]
}


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