WID-SEC-W-2026-3045

Vulnerability from csaf_certbund - Published: 2026-08-26 22:00 - Updated: 2026-08-26 22:00
Summary
TeamViewer Clients: Mehrere Schwachstellen ermöglichen Ausführen von beliebigem Programmcode
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: TeamViewer ist eine Fernzugriffs- und Fernsteuerungssoftware, die die Wartung von Computern und anderen Geräten ermöglicht.
Angriff: Ein Angreifer kann mehrere Schwachstellen in TeamViewer ausnutzen, um beliebigen Programmcode mit Benutzerrechten auszuführen.
Betroffene Betriebssysteme: - Linux - MacOS X - Windows
CVE-2026-16444
Affected products
Product Identifier Version Remediation
TeamViewer TeamViewer Full Client <15.81.5
TeamViewer / TeamViewer
 Full Client <15.81.5
TeamViewer TeamViewer QuickSupport <15.81.5
TeamViewer / TeamViewer
 QuickSupport <15.81.5
TeamViewer TeamViewer Host <15.81.5
TeamViewer / TeamViewer
 Host <15.81.5
TeamViewer TeamViewer Legacy Versions
TeamViewer / TeamViewer
 Legacy Versions
CVE-2026-19042
Affected products
Known affected 4 products, the same list as for CVE-2026-16444
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": "TeamViewer ist eine Fernzugriffs- und Fernsteuerungssoftware, die die Wartung von Computern und anderen Ger\u00e4ten erm\u00f6glicht.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann mehrere Schwachstellen in TeamViewer ausnutzen, um beliebigen Programmcode mit Benutzerrechten auszuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- 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-2026-3045 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3045.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-3045 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3045"
      },
      {
        "category": "external",
        "summary": "TeamViewer Security Bulletin TV-2026-1008 vom 2026-08-25",
        "url": "https://www.teamviewer.com/en-us/resources/trust-center/security-bulletins/tv-2026-1008/"
      },
      {
        "category": "external",
        "summary": "TeamViewer Security Bulletin TV-2026-1009 vom 2026-08-25",
        "url": "https://www.teamviewer.com/en-us/resources/trust-center/security-bulletins/tv-2026-1009/"
      }
    ],
    "source_lang": "en-US",
    "title": "TeamViewer Clients: Mehrere Schwachstellen erm\u00f6glichen Ausf\u00fchren von beliebigem Programmcode",
    "tracking": {
      "current_release_date": "2026-08-26T22:00:00.000+00:00",
      "generator": {
        "date": "2026-08-27T10:12:05.765+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "id": "WID-SEC-W-2026-3045",
      "initial_release_date": "2026-08-26T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-08-26T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "Full Client \u003c15.81.5",
                "product": {
                  "name": "TeamViewer TeamViewer Full Client \u003c15.81.5",
                  "product_id": "T058689"
                }
              },
              {
                "category": "product_version",
                "name": "Full Client 15.81.5",
                "product": {
                  "name": "TeamViewer TeamViewer Full Client 15.81.5",
                  "product_id": "T058689-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:teamviewer:teamviewer:full_client__15.81.5"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "Host \u003c15.81.5",
                "product": {
                  "name": "TeamViewer TeamViewer Host \u003c15.81.5",
                  "product_id": "T058690"
                }
              },
              {
                "category": "product_version",
                "name": "Host 15.81.5",
                "product": {
                  "name": "TeamViewer TeamViewer Host 15.81.5",
                  "product_id": "T058690-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:teamviewer:teamviewer:host__15.81.5"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "QuickSupport \u003c15.81.5",
                "product": {
                  "name": "TeamViewer TeamViewer QuickSupport \u003c15.81.5",
                  "product_id": "T058691"
                }
              },
              {
                "category": "product_version",
                "name": "QuickSupport 15.81.5",
                "product": {
                  "name": "TeamViewer TeamViewer QuickSupport 15.81.5",
                  "product_id": "T058691-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:teamviewer:teamviewer:quicksupport__15.81.5"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "Legacy Versions",
                "product": {
                  "name": "TeamViewer TeamViewer Legacy Versions",
                  "product_id": "T058692"
                }
              }
            ],
            "category": "product_name",
            "name": "TeamViewer"
          }
        ],
        "category": "vendor",
        "name": "TeamViewer"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-16444",
      "product_status": {
        "known_affected": [
          "T058689",
          "T058691",
          "T058690",
          "T058692"
        ]
      },
      "release_date": "2026-08-26T22:00:00.000+00:00",
      "title": "CVE-2026-16444"
    },
    {
      "cve": "CVE-2026-19042",
      "product_status": {
        "known_affected": [
          "T058689",
          "T058691",
          "T058690",
          "T058692"
        ]
      },
      "release_date": "2026-08-26T22:00:00.000+00:00",
      "title": "CVE-2026-19042"
    }
  ]
}



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