{
  "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 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."
    }, {
      "category" : "description",
      "text" : "Die Malware Protection Engine ist Bestandteil verschiedener Sicherheitsprodukte von Microsoft und stellt selbigen das Scannen sowie Erkennen und Entfernen von Schadprogrammen zur Verfügung.\r\nMicrosoft Defender ist eine Software zur Erkennung von schädlicher Software (Malware).",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein Angreifer kann mehrere Schwachstellen in Microsoft Malware Protection Engine und Microsoft Defender ausnutzen, um beliebigen Programmcode auszuführen, erweiterte Berechtigungen zu erlangen oder vertrauliche Informationen offenzulegen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Windows",
      "title" : "Betroffene Betriebssysteme"
    } ],
    "publisher" : {
      "category" : "other",
      "contact_details" : "csaf-provider@cert-bund.de",
      "name" : "Bundesamt für Sicherheit in der Informationstechnik",
      "namespace" : "https://www.bsi.bund.de"
    },
    "references" : [ {
      "category" : "self",
      "summary" : "WID-SEC-W-2026-2322 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2322.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-2322 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2322"
    }, {
      "category" : "external",
      "summary" : "Microsoft Leitfaden für Sicherheitsupdates",
      "url" : "https://msrc.microsoft.com/update-guide/"
    }, {
      "category" : "external",
      "summary" : "Microsoft Security Advisory CVE-2026-55011",
      "url" : "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55011"
    }, {
      "category" : "external",
      "summary" : "Microsoft Security Advisory CVE-2026-55012",
      "url" : "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55012"
    }, {
      "category" : "external",
      "summary" : "Microsoft Security Advisory CVE-2026-50658",
      "url" : "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50658"
    }, {
      "category" : "external",
      "summary" : "Microsoft Security Advisory CVE-2026-56178",
      "url" : "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56178"
    }, {
      "category" : "external",
      "summary" : "Microsoft Security Advisory CVE-2026-50657",
      "url" : "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50657"
    } ],
    "source_lang" : "en-US",
    "title" : "Microsoft Malware Protection Engine und Defender: Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2026-07-14T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-07-16T17:41:52.833+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.6.0"
        }
      },
      "id" : "WID-SEC-W-2026-2322",
      "initial_release_date" : "2026-07-14T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-07-14T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      } ],
      "status" : "final",
      "version" : "1"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version",
          "name" : "for Endpoint for Mac",
          "product" : {
            "name" : "Microsoft Defender for Endpoint for Mac",
            "product_id" : "T055143",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:microsoft:defender:for_endpoint_for_mac"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Defender"
      }, {
        "category" : "product_name",
        "name" : "Microsoft Malware Protection Engine",
        "product" : {
          "name" : "Microsoft Malware Protection Engine",
          "product_id" : "T056597",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:microsoft:malware_protection_engine:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Microsoft"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-50657",
    "product_status" : {
      "known_affected" : [ "T055143", "T056597" ]
    },
    "release_date" : "2026-07-14T22:00:00.000+00:00",
    "title" : "CVE-2026-50657"
  }, {
    "cve" : "CVE-2026-50658",
    "product_status" : {
      "known_affected" : [ "T055143", "T056597" ]
    },
    "release_date" : "2026-07-14T22:00:00.000+00:00",
    "title" : "CVE-2026-50658"
  }, {
    "cve" : "CVE-2026-55011",
    "product_status" : {
      "known_affected" : [ "T055143", "T056597" ]
    },
    "release_date" : "2026-07-14T22:00:00.000+00:00",
    "title" : "CVE-2026-55011"
  }, {
    "cve" : "CVE-2026-55012",
    "product_status" : {
      "known_affected" : [ "T055143", "T056597" ]
    },
    "release_date" : "2026-07-14T22:00:00.000+00:00",
    "title" : "CVE-2026-55012"
  }, {
    "cve" : "CVE-2026-56178",
    "product_status" : {
      "known_affected" : [ "T055143", "T056597" ]
    },
    "release_date" : "2026-07-14T22:00:00.000+00:00",
    "title" : "CVE-2026-56178"
  } ]
}