{
  "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 ASP.NET (Active Server Pages .NET) ist eine Technologie zum Erstellen dynamischer Webseiten, Webanwendungen und Webservices auf Basis des Microsoft .NET-Frameworks.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein lokaler. oder ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Microsoft ASP.NET und Microsoft .NET ausnutzen, um Administratorrechte zu erlangen oder um einen Denial-of-Service-Zustand zu verursachen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- 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-2026-0657 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0657.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-0657 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0657"
      },
      {
        "category": "external",
        "summary": "Microsoft Leitfaden f\u00fcr Sicherheitsupdates",
        "url": "https://msrc.microsoft.com/update-guide/"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:4443 vom 2026-03-12",
        "url": "https://access.redhat.com/errata/RHSA-2026:4443"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:4450 vom 2026-03-12",
        "url": "https://access.redhat.com/errata/RHSA-2026:4450"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:4456 vom 2026-03-12",
        "url": "https://access.redhat.com/errata/RHSA-2026:4456"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2026-4454 vom 2026-03-13",
        "url": "http://linux.oracle.com/errata/ELSA-2026-4454.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2026-4453 vom 2026-03-13",
        "url": "http://linux.oracle.com/errata/ELSA-2026-4453.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2026-4445 vom 2026-03-13",
        "url": "http://linux.oracle.com/errata/ELSA-2026-4445.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2026-4455 vom 2026-03-13",
        "url": "https://linux.oracle.com/errata/ELSA-2026-4455.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2026-4458 vom 2026-03-13",
        "url": "https://linux.oracle.com/errata/ELSA-2026-4458.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:4445 vom 2026-03-12",
        "url": "https://access.redhat.com/errata/RHSA-2026:4445"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:4454 vom 2026-03-12",
        "url": "https://access.redhat.com/errata/RHSA-2026:4454"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2026-4451 vom 2026-03-13",
        "url": "http://linux.oracle.com/errata/ELSA-2026-4451.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2026-4450 vom 2026-03-13",
        "url": "http://linux.oracle.com/errata/ELSA-2026-4450.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-8085-1 vom 2026-03-12",
        "url": "https://ubuntu.com/security/notices/USN-8085-1"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2026-4456 vom 2026-03-13",
        "url": "https://linux.oracle.com/errata/ELSA-2026-4456.html"
      },
      {
        "category": "external",
        "summary": "Rocky Linux Security Advisory RLSA-2026:4443 vom 2026-03-13",
        "url": "https://errata.build.resf.org/RLSA-2026:4443"
      },
      {
        "category": "external",
        "summary": "Rocky Linux Security Advisory RLSA-2026:4458 vom 2026-03-13",
        "url": "https://errata.build.resf.org/RLSA-2026:4458"
      },
      {
        "category": "external",
        "summary": "Rocky Linux Security Advisory RLSA-2026:4455 vom 2026-03-13",
        "url": "https://errata.build.resf.org/RLSA-2026:4455"
      },
      {
        "category": "external",
        "summary": "Rocky Linux Security Advisory RLSA-2026:4456 vom 2026-03-13",
        "url": "https://errata.build.resf.org/RLSA-2026:4456"
      },
      {
        "category": "external",
        "summary": "Rocky Linux Security Advisory RLSA-2026:4454 vom 2026-03-13",
        "url": "https://errata.build.resf.org/RLSA-2026:4454"
      },
      {
        "category": "external",
        "summary": "Rocky Linux Security Advisory RLSA-2026:4453 vom 2026-03-13",
        "url": "https://errata.build.resf.org/RLSA-2026:4453"
      },
      {
        "category": "external",
        "summary": "Rocky Linux Security Advisory RLSA-2026:4451 vom 2026-03-13",
        "url": "https://errata.build.resf.org/RLSA-2026:4451"
      },
      {
        "category": "external",
        "summary": "Rocky Linux Security Advisory RLSA-2026:4450 vom 2026-03-13",
        "url": "https://errata.build.resf.org/RLSA-2026:4450"
      },
      {
        "category": "external",
        "summary": "Rocky Linux Security Advisory RLSA-2026:4445 vom 2026-03-13",
        "url": "https://errata.build.resf.org/RLSA-2026:4445"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2026-4443 vom 2026-03-14",
        "url": "http://linux.oracle.com/errata/ELSA-2026-4443.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:10084 vom 2026-04-23",
        "url": "https://access.redhat.com/errata/RHSA-2026:10084"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:10083 vom 2026-04-23",
        "url": "https://access.redhat.com/errata/RHSA-2026:10083"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:10082 vom 2026-04-23",
        "url": "https://access.redhat.com/errata/RHSA-2026:10082"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:10085 vom 2026-04-23",
        "url": "https://access.redhat.com/errata/RHSA-2026:10085"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:10091 vom 2026-04-23",
        "url": "https://access.redhat.com/errata/RHSA-2026:10091"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:9077 vom 2026-04-27",
        "url": "https://access.redhat.com/errata/RHSA-2026:9077"
      }
    ],
    "source_lang": "en-US",
    "title": "Microsoft ASP.NET und .NET: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-04-27T22:00:00.000+00:00",
      "generator": {
        "date": "2026-04-28T08:30:38.644+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.5.0"
        }
      },
      "id": "WID-SEC-W-2026-0657",
      "initial_release_date": "2026-03-10T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-03-10T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-03-11T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2026-03-12T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Red Hat, Oracle Linux und Ubuntu aufgenommen"
        },
        {
          "date": "2026-03-15T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2026-04-22T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2026-04-27T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Red Hat aufgenommen"
        }
      ],
      "status": "final",
      "version": "6"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "10",
                "product": {
                  "name": "Microsoft .NET 10.0",
                  "product_id": "T051615",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:microsoft:.net:10.0"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "9",
                "product": {
                  "name": "Microsoft .NET 9.0",
                  "product_id": "T051616",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:microsoft:.net:9.0"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": ".NET"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "Core 8.0",
                "product": {
                  "name": "Microsoft ASP.NET Core 8.0",
                  "product_id": "T051525",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:microsoft:asp.net:core_8.0"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "Core 9.0",
                "product": {
                  "name": "Microsoft ASP.NET Core 9.0",
                  "product_id": "T051527",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:microsoft:asp.net:core_9.0"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "Core 10.0",
                "product": {
                  "name": "Microsoft ASP.NET Core 10.0",
                  "product_id": "T051529",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:microsoft:asp.net:core_10.0"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "ASP.NET"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Oracle Linux",
            "product": {
              "name": "Oracle Linux",
              "product_id": "T004914",
              "product_identification_helper": {
                "cpe": "cpe:/o:oracle:linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Oracle"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "RESF Rocky Linux",
            "product": {
              "name": "RESF Rocky Linux",
              "product_id": "T032255",
              "product_identification_helper": {
                "cpe": "cpe:/o:resf:rocky_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "RESF"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Red Hat Enterprise Linux",
            "product": {
              "name": "Red Hat Enterprise Linux",
              "product_id": "67646",
              "product_identification_helper": {
                "cpe": "cpe:/o:redhat:enterprise_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Ubuntu Linux",
            "product": {
              "name": "Ubuntu Linux",
              "product_id": "T000126",
              "product_identification_helper": {
                "cpe": "cpe:/o:canonical:ubuntu_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Ubuntu"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-26127",
      "product_status": {
        "known_affected": [
          "T051529",
          "T051527",
          "T051615",
          "67646",
          "T051616",
          "T000126",
          "T051525",
          "T004914",
          "T032255"
        ]
      },
      "release_date": "2026-03-10T23:00:00.000+00:00",
      "title": "CVE-2026-26127"
    },
    {
      "cve": "CVE-2026-26130",
      "product_status": {
        "known_affected": [
          "T051529",
          "T051527",
          "T051615",
          "67646",
          "T051616",
          "T000126",
          "T051525",
          "T004914",
          "T032255"
        ]
      },
      "release_date": "2026-03-10T23:00:00.000+00:00",
      "title": "CVE-2026-26130"
    },
    {
      "cve": "CVE-2026-26131",
      "product_status": {
        "known_affected": [
          "T051529",
          "T051527",
          "T051615",
          "67646",
          "T051616",
          "T000126",
          "T051525",
          "T004914",
          "T032255"
        ]
      },
      "release_date": "2026-03-10T23:00:00.000+00:00",
      "title": "CVE-2026-26131"
    }
  ]
}