WID-SEC-W-2026-2947

Vulnerability from csaf_certbund - Published: 2026-08-20 22:00 - Updated: 2026-08-20 22:00
Summary
Microsoft Windows Dienste: Mehrere Schwachstellen
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: Windows ist ein Betriebssystem von Microsoft.
Angriff: Ein Angreifer kann mehrere Schwachstellen in Microsoft Windows Server 2012 R2, Windows Server 2012, Windows Server 2016, Windows 10, Windows 11, Windows Server 2025, Windows Server 2022, Windows Server 2019, Microsoft Windows Remote Help und Windows App für Mac ausnutzen, um Administratorrechte zu erlangen, Spoofing-Angriffe durchzuführen, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand auszulösen.
Betroffene Betriebssysteme: - MacOS X - Windows
CVE-2026-55013
Affected products
Product Identifier Version Remediation
Microsoft Windows Remote Help
Microsoft / Windows
 cpe:/o:microsoft:windows:remote_help Remote Help
CVE-2026-55015
Affected products
Known affected 1 product, the same list as for CVE-2026-55013
CVE-2026-62727
Affected products
Product Identifier Version Remediation
Microsoft Windows Server 2012 R2
Microsoft
 cpe:/o:microsoft:windows_server_2012_r2:- —
Microsoft Windows Server 2025
Microsoft
 cpe:/o:microsoft:windows_server_2025:- —
Microsoft Windows Server 2016
Microsoft
 cpe:/o:microsoft:windows_server_2016:- —
Microsoft Windows 11
Microsoft
 cpe:/o:microsoft:windows_11:- —
Microsoft Windows Server 2012
Microsoft
 cpe:/o:microsoft:windows_server_2012:- —
Microsoft Windows 10
Microsoft
 cpe:/o:microsoft:windows_10:- —
Microsoft Windows Server 2022
Microsoft
 cpe:/o:microsoft:windows_server_2022:- —
Microsoft Windows Server 2019
Microsoft
 cpe:/o:microsoft:windows_server_2019:- —
Microsoft Windows Telephony Service
Microsoft / Windows
 cpe:/o:microsoft:windows:telephony_service Telephony Service
CVE-2026-69550
Affected products
Product Identifier Version Remediation
Microsoft Windows App for Mac
Microsoft / Windows
 cpe:/o:microsoft:windows:app_for_mac App for Mac
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": "Windows ist ein Betriebssystem von Microsoft.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann mehrere Schwachstellen in Microsoft Windows Server 2012 R2, Windows Server 2012, Windows Server 2016, Windows 10, Windows 11, Windows Server 2025, Windows Server 2022, Windows Server 2019, Microsoft Windows Remote Help und Windows App f\u00fcr Mac ausnutzen, um Administratorrechte zu erlangen, Spoofing-Angriffe durchzuf\u00fchren, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand auszul\u00f6sen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- MacOS X\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-2026-2947 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2947.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-2947 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2947"
      },
      {
        "category": "external",
        "summary": "Microsoft CVE-2026-55013 vom 2026-08-20",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55013"
      },
      {
        "category": "external",
        "summary": "Microsoft CVE-2026-55015 vom 2026-08-20",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55015"
      },
      {
        "category": "external",
        "summary": "Microsoft CVE-2026-62727 vom 2026-08-20",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62727"
      },
      {
        "category": "external",
        "summary": "Microsoft CVE-2026-69550 vom 2026-08-20",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69550"
      }
    ],
    "source_lang": "en-US",
    "title": "Microsoft Windows Dienste: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-08-20T22:00:00.000+00:00",
      "generator": {
        "date": "2026-08-21T08:41:10.318+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2026-2947",
      "initial_release_date": "2026-08-20T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-08-20T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "Remote Help",
                "product": {
                  "name": "Microsoft Windows Remote Help",
                  "product_id": "T058422",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:microsoft:windows:remote_help"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "App for Mac",
                "product": {
                  "name": "Microsoft Windows App for Mac",
                  "product_id": "T058423",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:microsoft:windows:app_for_mac"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "Telephony Service",
                "product": {
                  "name": "Microsoft Windows Telephony Service",
                  "product_id": "T058424",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:microsoft:windows:telephony_service"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Windows"
          },
          {
            "category": "product_name",
            "name": "Microsoft Windows 10",
            "product": {
              "name": "Microsoft Windows 10",
              "product_id": "T058418",
              "product_identification_helper": {
                "cpe": "cpe:/o:microsoft:windows_10:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "Microsoft Windows 11",
            "product": {
              "name": "Microsoft Windows 11",
              "product_id": "T058419",
              "product_identification_helper": {
                "cpe": "cpe:/o:microsoft:windows_11:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "Microsoft Windows Server 2012",
            "product": {
              "name": "Microsoft Windows Server 2012",
              "product_id": "T058407",
              "product_identification_helper": {
                "cpe": "cpe:/o:microsoft:windows_server_2012:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "Microsoft Windows Server 2012 R2",
            "product": {
              "name": "Microsoft Windows Server 2012 R2",
              "product_id": "T058406",
              "product_identification_helper": {
                "cpe": "cpe:/o:microsoft:windows_server_2012_r2:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "Microsoft Windows Server 2016",
            "product": {
              "name": "Microsoft Windows Server 2016",
              "product_id": "T058408",
              "product_identification_helper": {
                "cpe": "cpe:/o:microsoft:windows_server_2016:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "Microsoft Windows Server 2019",
            "product": {
              "name": "Microsoft Windows Server 2019",
              "product_id": "T058421",
              "product_identification_helper": {
                "cpe": "cpe:/o:microsoft:windows_server_2019:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "Microsoft Windows Server 2022",
            "product": {
              "name": "Microsoft Windows Server 2022",
              "product_id": "T058420",
              "product_identification_helper": {
                "cpe": "cpe:/o:microsoft:windows_server_2022:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "Microsoft Windows Server 2025",
            "product": {
              "name": "Microsoft Windows Server 2025",
              "product_id": "T058417",
              "product_identification_helper": {
                "cpe": "cpe:/o:microsoft:windows_server_2025:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-55013",
      "product_status": {
        "known_affected": [
          "T058422"
        ]
      },
      "release_date": "2026-08-20T22:00:00.000+00:00",
      "title": "CVE-2026-55013"
    },
    {
      "cve": "CVE-2026-55015",
      "product_status": {
        "known_affected": [
          "T058422"
        ]
      },
      "release_date": "2026-08-20T22:00:00.000+00:00",
      "title": "CVE-2026-55015"
    },
    {
      "cve": "CVE-2026-62727",
      "product_status": {
        "known_affected": [
          "T058406",
          "T058417",
          "T058408",
          "T058419",
          "T058407",
          "T058418",
          "T058420",
          "T058421",
          "T058424"
        ]
      },
      "release_date": "2026-08-20T22:00:00.000+00:00",
      "title": "CVE-2026-62727"
    },
    {
      "cve": "CVE-2026-69550",
      "product_status": {
        "known_affected": [
          "T058423"
        ]
      },
      "release_date": "2026-08-20T22:00:00.000+00:00",
      "title": "CVE-2026-69550"
    }
  ]
}



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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

Author Source Type Date Other

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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.