WID-SEC-W-2026-1484

Vulnerability from csaf_certbund - Published: 2026-05-12 22:00 - Updated: 2026-05-12 22:00
Summary
Microsoft Word für Android und 365 Copilot: Mehrere Schwachstellen ermöglichen Darstellen falscher Informationen
Severity
Mittel
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 Word ist ein Textverarbeitungsprogramm der Firma Microsoft für die Windows-Betriebssysteme und Mac OS. Microsoft Copilot ist ein KI-Assistent, der in verschiedene Microsoft-Produkte integriert werden kann.
Angriff: Ein Angreifer kann mehrere Schwachstellen in Microsoft Word für Android und Microsoft 365 Copilot ausnutzen, um falsche Informationen darzustellen.
Betroffene Betriebssysteme: - Linux - UNIX - Windows
CVE-2026-41100
Affected products
Product Identifier Version Remediation
Microsoft 365 Copilot for Android
Microsoft / 365 Copilot
 cpe:/a:microsoft:365_copilot:for_android for Android
Microsoft 365 Copilot for Desktop
Microsoft / 365 Copilot
 cpe:/a:microsoft:365_copilot:for_desktop for Desktop
Microsoft Word for Android
Microsoft / Word
 cpe:/a:microsoft:word:for_android for Android
Microsoft 365 Copilot 365 Copilot's Business Chat
Microsoft / 365 Copilot
 cpe:/a:microsoft:365_copilot:365_copilots_business_chat 365 Copilot's Business Chat
CVE-2026-41101
Affected products
Product Identifier Version Remediation
Microsoft 365 Copilot for Android
Microsoft / 365 Copilot
 cpe:/a:microsoft:365_copilot:for_android for Android
Microsoft 365 Copilot for Desktop
Microsoft / 365 Copilot
 cpe:/a:microsoft:365_copilot:for_desktop for Desktop
Microsoft Word for Android
Microsoft / Word
 cpe:/a:microsoft:word:for_android for Android
Microsoft 365 Copilot 365 Copilot's Business Chat
Microsoft / 365 Copilot
 cpe:/a:microsoft:365_copilot:365_copilots_business_chat 365 Copilot's Business Chat
CVE-2026-41614
Affected products
Product Identifier Version Remediation
Microsoft 365 Copilot for Android
Microsoft / 365 Copilot
 cpe:/a:microsoft:365_copilot:for_android for Android
Microsoft 365 Copilot for Desktop
Microsoft / 365 Copilot
 cpe:/a:microsoft:365_copilot:for_desktop for Desktop
Microsoft Word for Android
Microsoft / Word
 cpe:/a:microsoft:word:for_android for Android
Microsoft 365 Copilot 365 Copilot's Business Chat
Microsoft / 365 Copilot
 cpe:/a:microsoft:365_copilot:365_copilots_business_chat 365 Copilot's Business Chat
CVE-2026-42832
Affected products
Product Identifier Version Remediation
Microsoft 365 Copilot for Android
Microsoft / 365 Copilot
 cpe:/a:microsoft:365_copilot:for_android for Android
Microsoft 365 Copilot for Desktop
Microsoft / 365 Copilot
 cpe:/a:microsoft:365_copilot:for_desktop for Desktop
Microsoft Word for Android
Microsoft / Word
 cpe:/a:microsoft:word:for_android for Android
Microsoft 365 Copilot 365 Copilot's Business Chat
Microsoft / 365 Copilot
 cpe:/a:microsoft:365_copilot:365_copilots_business_chat 365 Copilot's Business Chat
References
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "mittel"
    },
    "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 Word ist ein Textverarbeitungsprogramm der Firma Microsoft f\u00fcr die Windows-Betriebssysteme und Mac OS.\r\nMicrosoft Copilot ist ein KI-Assistent, der in verschiedene Microsoft-Produkte integriert werden kann.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann mehrere Schwachstellen in Microsoft Word f\u00fcr Android und Microsoft 365 Copilot ausnutzen, um falsche Informationen darzustellen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\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-2026-1484 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1484.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-1484 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1484"
      },
      {
        "category": "external",
        "summary": "Microsoft Leitfaden f\u00fcr Sicherheitsupdates",
        "url": "https://msrc.microsoft.com/update-guide/"
      }
    ],
    "source_lang": "en-US",
    "title": "Microsoft Word f\u00fcr Android und 365 Copilot: Mehrere Schwachstellen erm\u00f6glichen Darstellen falscher Informationen",
    "tracking": {
      "current_release_date": "2026-05-12T22:00:00.000+00:00",
      "generator": {
        "date": "2026-05-13T10:03:16.349+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.5.0"
        }
      },
      "id": "WID-SEC-W-2026-1484",
      "initial_release_date": "2026-05-12T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-05-12T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "365 Copilot\u0027s Business Chat",
                "product": {
                  "name": "Microsoft 365 Copilot 365 Copilot\u0027s Business Chat",
                  "product_id": "T053861",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:microsoft:365_copilot:365_copilots_business_chat"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "for Android",
                "product": {
                  "name": "Microsoft 365 Copilot for Android",
                  "product_id": "T053862",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:microsoft:365_copilot:for_android"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "for Desktop",
                "product": {
                  "name": "Microsoft 365 Copilot for Desktop",
                  "product_id": "T053863",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:microsoft:365_copilot:for_desktop"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "365 Copilot"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "for Android",
                "product": {
                  "name": "Microsoft Word for Android",
                  "product_id": "T053860",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:microsoft:word:for_android"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Word"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-41100",
      "product_status": {
        "known_affected": [
          "T053862",
          "T053863",
          "T053860",
          "T053861"
        ]
      },
      "release_date": "2026-05-12T22:00:00.000+00:00",
      "title": "CVE-2026-41100"
    },
    {
      "cve": "CVE-2026-41101",
      "product_status": {
        "known_affected": [
          "T053862",
          "T053863",
          "T053860",
          "T053861"
        ]
      },
      "release_date": "2026-05-12T22:00:00.000+00:00",
      "title": "CVE-2026-41101"
    },
    {
      "cve": "CVE-2026-41614",
      "product_status": {
        "known_affected": [
          "T053862",
          "T053863",
          "T053860",
          "T053861"
        ]
      },
      "release_date": "2026-05-12T22:00:00.000+00:00",
      "title": "CVE-2026-41614"
    },
    {
      "cve": "CVE-2026-42832",
      "product_status": {
        "known_affected": [
          "T053862",
          "T053863",
          "T053860",
          "T053861"
        ]
      },
      "release_date": "2026-05-12T22:00:00.000+00:00",
      "title": "CVE-2026-42832"
    }
  ]
}


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