CERTFR-2026-AVI-1146
Vulnerability from certfr_avis

De multiples vulnérabilités ont été découvertes dans Microsoft .Net. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, une élévation de privilèges et un déni de service à distance.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

None
Impacted products
Vendor Product Description
Microsoft N/A .NET 9.0 installé sur Linux versions antérieures à 9.0.120, 9.0.317
Microsoft N/A Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 versions antérieures à 4.7.4145.0
Microsoft N/A Microsoft .NET Framework 4.8.1 versions antérieures à 4.8.9347.0
Microsoft N/A ASP.NET Core 8.0 versions antérieures à 8.0.31
Microsoft N/A .NET 8.0 installé sur Windows versions antérieures à 8.0.130, 8.0.424
Microsoft N/A .NET 8.0 installé sur Windows versions antérieures à 8.0.31
Microsoft N/A .NET 9.0 installé sur Windows versions antérieures à 9.0.20
Microsoft N/A .NET 10.0 installé sur Mac OS versions antérieures à 10.0.111, 10.0.400
Microsoft N/A Microsoft .NET Framework 3.5 et 4.6.2/4.7/4.7.1/4.7.2 versions antérieures à 2.0.50727.9070 & 3.0.30729.9068 & 4.7.4145.0
Microsoft N/A .NET 10.0 installé sur Linux versions antérieures à 10.0.111, 10.0.400
Microsoft N/A .NET 9.0 installé sur Mac OS versions antérieures à 9.0.120, 9.0.317
Microsoft N/A ASP.NET Core 9.0 versions antérieures à 9.0.20
Microsoft N/A Microsoft .NET Framework 3.5 et 4.6.2/4.7/4.7.1/4.7.2 versions antérieures à 2.0.50727.8984 & 3.0.30729.8980 & 4.7.4145.0
Microsoft N/A .NET 10.0 installé sur Windows versions antérieures à 10.0.111, 10.0.400
Microsoft N/A .NET 11.0 installé sur Linux versions antérieures à 11.0 RC1
Microsoft N/A .NET 11.0 installé sur Mac OS versions antérieures à 11.0 RC1
Microsoft N/A Microsoft .NET Framework 3.5 et 4.8 versions antérieures à 2.0.50727.9070 & 3.0.30729.9068 & 4.8.4806.0
Microsoft N/A ASP.NET Core 11.0 versions antérieures à 11.0 RC1
Microsoft N/A .NET 9.0 installé sur Linux versions antérieures à 9.0.317
Microsoft N/A ASP.NET Core 10.0 versions antérieures à 10.0.12
Microsoft N/A Microsoft .NET Framework 3.5 et 4.8.1 versions antérieures à 2.0.50727.9183 & 3.0.30729.9169 & 4.8.9347.0
Microsoft N/A .NET 10.0 installé sur Windows versions antérieures à 10.0.12
Microsoft N/A .NET 9.0 installé sur Windows versions antérieures à 9.0.120, 9.0.317
Microsoft N/A .NET 11.0 installé sur Windows versions antérieures à 11.0 RC1
Microsoft N/A Microsoft .NET Framework 3.5 et 4.8.1 versions antérieures à 2.0.50727.9183 & 3.0.30729.9169 & 4.8.9346.0
Microsoft N/A Microsoft .NET Framework 4.8 versions antérieures à 4.8.4806.0
Microsoft N/A Microsoft .NET Framework 3.5 et 4.8 versions antérieures à 2.0.50727.9183 & 3.0.30729.9169 & 4.8.4806.0
Microsoft N/A Microsoft .NET Framework 3.5 et 4.7.2 versions antérieures à 2.0.50727.9070 & 3.0.30729.9068 & 4.7.4145.0
Microsoft N/A .NET 8.0 installé sur Linux versions antérieures à 8.0.130, 8.0.424
Microsoft N/A .NET 8.0 installé sur Mac OS versions antérieures à 8.0.130, 8.0.424
References

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": ".NET 9.0 install\u00e9 sur Linux versions ant\u00e9rieures \u00e0 9.0.120, 9.0.317",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 versions ant\u00e9rieures \u00e0 4.7.4145.0",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft .NET Framework 4.8.1 versions ant\u00e9rieures \u00e0 4.8.9347.0",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "ASP.NET Core 8.0 versions ant\u00e9rieures \u00e0 8.0.31",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": ".NET 8.0 install\u00e9 sur Windows versions ant\u00e9rieures \u00e0 8.0.130, 8.0.424",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": ".NET 8.0 install\u00e9 sur Windows versions ant\u00e9rieures \u00e0 8.0.31",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": ".NET 9.0 install\u00e9 sur Windows versions ant\u00e9rieures \u00e0 9.0.20",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": ".NET 10.0 install\u00e9 sur Mac OS versions ant\u00e9rieures \u00e0 10.0.111, 10.0.400",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft .NET Framework 3.5 et 4.6.2/4.7/4.7.1/4.7.2 versions ant\u00e9rieures \u00e0 2.0.50727.9070 \u0026 3.0.30729.9068 \u0026 4.7.4145.0",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": ".NET 10.0 install\u00e9 sur Linux versions ant\u00e9rieures \u00e0 10.0.111, 10.0.400",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": ".NET 9.0 install\u00e9 sur Mac OS versions ant\u00e9rieures \u00e0 9.0.120, 9.0.317",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "ASP.NET Core 9.0 versions ant\u00e9rieures \u00e0 9.0.20",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft .NET Framework 3.5 et 4.6.2/4.7/4.7.1/4.7.2 versions ant\u00e9rieures \u00e0 2.0.50727.8984 \u0026 3.0.30729.8980 \u0026 4.7.4145.0",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": ".NET 10.0 install\u00e9 sur Windows versions ant\u00e9rieures \u00e0 10.0.111, 10.0.400",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": ".NET 11.0 install\u00e9 sur Linux versions ant\u00e9rieures \u00e0 11.0 RC1",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": ".NET 11.0 install\u00e9 sur Mac OS versions ant\u00e9rieures \u00e0 11.0 RC1",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft .NET Framework 3.5 et 4.8 versions ant\u00e9rieures \u00e0 2.0.50727.9070 \u0026 3.0.30729.9068 \u0026 4.8.4806.0",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "ASP.NET Core 11.0 versions ant\u00e9rieures \u00e0 11.0 RC1",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": ".NET 9.0 install\u00e9 sur Linux versions ant\u00e9rieures \u00e0 9.0.317",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "ASP.NET Core 10.0 versions ant\u00e9rieures \u00e0 10.0.12",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft .NET Framework 3.5 et 4.8.1 versions ant\u00e9rieures \u00e0 2.0.50727.9183 \u0026 3.0.30729.9169 \u0026 4.8.9347.0",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": ".NET 10.0 install\u00e9 sur Windows versions ant\u00e9rieures \u00e0 10.0.12",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": ".NET 9.0 install\u00e9 sur Windows versions ant\u00e9rieures \u00e0 9.0.120, 9.0.317",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": ".NET 11.0 install\u00e9 sur Windows versions ant\u00e9rieures \u00e0 11.0 RC1",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft .NET Framework 3.5 et 4.8.1 versions ant\u00e9rieures \u00e0 2.0.50727.9183 \u0026 3.0.30729.9169 \u0026 4.8.9346.0",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft .NET Framework 4.8 versions ant\u00e9rieures \u00e0 4.8.4806.0",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft .NET Framework 3.5 et 4.8 versions ant\u00e9rieures \u00e0 2.0.50727.9183 \u0026 3.0.30729.9169 \u0026 4.8.4806.0",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft .NET Framework 3.5 et 4.7.2 versions ant\u00e9rieures \u00e0 2.0.50727.9070 \u0026 3.0.30729.9068 \u0026 4.7.4145.0",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": ".NET 8.0 install\u00e9 sur Linux versions ant\u00e9rieures \u00e0 8.0.130, 8.0.424",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": ".NET 8.0 install\u00e9 sur Mac OS versions ant\u00e9rieures \u00e0 8.0.130, 8.0.424",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": null,
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2026-71328",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-71328"
    },
    {
      "name": "CVE-2026-69806",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-69806"
    },
    {
      "name": "CVE-2026-69522",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-69522"
    },
    {
      "name": "CVE-2026-69439",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-69439"
    },
    {
      "name": "CVE-2026-58649",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-58649"
    },
    {
      "name": "CVE-2026-69304",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-69304"
    }
  ],
  "initial_release_date": "2026-09-09T00:00:00",
  "last_revision_date": "2026-09-09T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-1146",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-09-09T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service \u00e0 distance"
    },
    {
      "description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    },
    {
      "description": "\u00c9l\u00e9vation de privil\u00e8ges"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Microsoft .Net. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire \u00e0 distance, une \u00e9l\u00e9vation de privil\u00e8ges et un d\u00e9ni de service \u00e0 distance.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans Microsoft .Net",
  "vendor_advisories": [
    {
      "published_at": "2026-09-08",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft .Net CVE-2026-71328",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-71328"
    },
    {
      "published_at": "2026-09-08",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft .Net CVE-2026-69439",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69439"
    },
    {
      "published_at": "2026-09-08",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft .Net CVE-2026-58649",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58649"
    },
    {
      "published_at": "2026-09-08",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft .Net CVE-2026-69806",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69806"
    },
    {
      "published_at": "2026-09-08",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft .Net CVE-2026-69304",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69304"
    },
    {
      "published_at": "2026-09-08",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft .Net CVE-2026-69522",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69522"
    }
  ]
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.