CERTFR-2026-AVI-0046

Vulnerability from certfr_avis - Published: 2026-01-14 - Updated: 2026-01-14

De multiples vulnérabilités ont été découvertes dans les produits Microsoft. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, une élévation de privilèges et une atteinte à la confidentialité des données.

Solutions

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

Impacted products
Vendor Product Description
Microsoft N/A Microsoft SQL Server 2022 pour systèmes x64 (CU 22) versions antérieures à 16.0.4230.2
Microsoft N/A Microsoft SharePoint Server 2019 versions antérieures à 16.0.10417.20083
Microsoft N/A Microsoft SharePoint Enterprise Server 2016 versions antérieures à 16.0.5535.1001
Microsoft N/A Microsoft SQL Server 2025 pour systèmes x64 (GDR) versions antérieures à 17.0.1050.2
Microsoft N/A Microsoft SharePoint Enterprise Server 2016 versions antérieures à 16.0.5535.1000
Microsoft N/A Microsoft SharePoint Server Subscription Edition versions antérieures à 16.0.19127.20442
Microsoft N/A Microsoft SQL Server 2022 pour systèmes x64 (GDR) versions antérieures à 16.0.1165.1
References

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Microsoft SQL Server 2022 pour syst\u00e8mes x64 (CU 22) versions ant\u00e9rieures \u00e0 16.0.4230.2",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft SharePoint Server 2019 versions ant\u00e9rieures \u00e0 16.0.10417.20083",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft SharePoint Enterprise Server 2016 versions ant\u00e9rieures \u00e0 16.0.5535.1001",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft SQL Server 2025 pour syst\u00e8mes x64 (GDR) versions ant\u00e9rieures \u00e0 17.0.1050.2",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft SharePoint Enterprise Server 2016 versions ant\u00e9rieures \u00e0 16.0.5535.1000",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft SharePoint Server Subscription Edition versions ant\u00e9rieures \u00e0 16.0.19127.20442",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft SQL Server 2022 pour syst\u00e8mes x64 (GDR) versions ant\u00e9rieures \u00e0 16.0.1165.1",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "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-2026-20943",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20943"
    },
    {
      "name": "CVE-2026-20948",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20948"
    },
    {
      "name": "CVE-2026-20959",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20959"
    },
    {
      "name": "CVE-2026-20958",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20958"
    },
    {
      "name": "CVE-2026-20947",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20947"
    },
    {
      "name": "CVE-2026-20951",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20951"
    },
    {
      "name": "CVE-2026-20963",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20963"
    },
    {
      "name": "CVE-2026-20803",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20803"
    }
  ],
  "initial_release_date": "2026-01-14T00:00:00",
  "last_revision_date": "2026-01-14T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0046",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-01-14T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    },
    {
      "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 les produits Microsoft. 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 une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans les produits Microsoft",
  "vendor_advisories": [
    {
      "published_at": "2026-01-13",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-20963",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20963"
    },
    {
      "published_at": "2026-01-13",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-20958",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20958"
    },
    {
      "published_at": "2026-01-13",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-20803",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20803"
    },
    {
      "published_at": "2026-01-13",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-20943",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20943"
    },
    {
      "published_at": "2026-01-13",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-20948",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20948"
    },
    {
      "published_at": "2026-01-13",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-20959",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20959"
    },
    {
      "published_at": "2026-01-13",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-20947",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20947"
    },
    {
      "published_at": "2026-01-13",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-20951",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20951"
    }
  ]
}


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  • 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.



Detection rules are retrieved from Rulezet.