CERTFR-2026-AVI-0223
Vulnerability from certfr_avis

De multiples vulnérabilités ont été découvertes dans les produits Microsoft. Certaines d'entre elles permettent à un attaquant de provoquer un déni de service à distance, une atteinte à la confidentialité des données et un contournement de la politique de sécurité.

Solutions

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

Impacted products
Vendor Product Description
Microsoft CBL Mariner cbl2 libtiff 4.6.0-11 versions antérieures à 4.6.0-12
Microsoft Azure Linux azl3 cloud-hypervisor 48.0.246-1 versions antérieures à 48.0.246-2
Microsoft Azure Linux azl3 valkey 8.0.6-1 versions antérieures à 8.0.7-1
Microsoft Azure Linux azl3 libtiff 4.6.0-11 versions antérieures à 4.6.0-12
Microsoft Azure Linux azl3 erlang 26.2.5.15-1 versions antérieures à 26.2.5.17-1
References

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "cbl2 libtiff 4.6.0-11 versions ant\u00e9rieures \u00e0 4.6.0-12",
      "product": {
        "name": "CBL Mariner",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "azl3 cloud-hypervisor 48.0.246-1 versions ant\u00e9rieures \u00e0 48.0.246-2",
      "product": {
        "name": "Azure Linux",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "azl3 valkey 8.0.6-1 versions ant\u00e9rieures \u00e0 8.0.7-1",
      "product": {
        "name": "Azure Linux",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "azl3 libtiff 4.6.0-11 versions ant\u00e9rieures \u00e0 4.6.0-12",
      "product": {
        "name": "Azure Linux",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "azl3 erlang 26.2.5.15-1 versions ant\u00e9rieures \u00e0 26.2.5.17-1",
      "product": {
        "name": "Azure Linux",
        "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-2026-21863",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-21863"
    },
    {
      "name": "CVE-2025-61144",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-61144"
    },
    {
      "name": "CVE-2026-21620",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-21620"
    },
    {
      "name": "CVE-2025-61143",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-61143"
    },
    {
      "name": "CVE-2025-67733",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-67733"
    },
    {
      "name": "CVE-2026-27211",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-27211"
    }
  ],
  "initial_release_date": "2026-02-27T00:00:00",
  "last_revision_date": "2026-02-27T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0223",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-02-27T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service \u00e0 distance"
    },
    {
      "description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    }
  ],
  "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 un d\u00e9ni de service \u00e0 distance, une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es et un contournement de la politique de s\u00e9curit\u00e9.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans les produits Microsoft",
  "vendor_advisories": [
    {
      "published_at": "2026-02-26",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2025-61143",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-61143"
    },
    {
      "published_at": "2026-02-25",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-21620",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21620"
    },
    {
      "published_at": "2026-02-26",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-21863",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21863"
    },
    {
      "published_at": "2026-02-26",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2025-67733",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-67733"
    },
    {
      "published_at": "2026-02-26",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2025-61144",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-61144"
    },
    {
      "published_at": "2026-02-25",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-27211",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27211"
    }
  ]
}


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