{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
        "title": "Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2026-56136 In NTFS-3G through 2026.2.25, an out-of-bounds read exists in ntfs_ir_nill() in libntfs-3g/index.c that allows an attacker to read possibly confidential information in an ntfs-3g process by crafting a malicious NTFS image. This read operation is triggered by creation of a file with a crafted name. - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-56136.json"
      },
      {
        "category": "external",
        "summary": "Microsoft Support Lifecycle",
        "url": "https://support.microsoft.com/lifecycle"
      },
      {
        "category": "external",
        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "In NTFS-3G through 2026.2.25, an out-of-bounds read exists in ntfs_ir_nill() in libntfs-3g/index.c that allows an attacker to read possibly confidential information in an ntfs-3g process by crafting a malicious NTFS image. This read operation is triggered by creation of a file with a crafted name.",
    "tracking": {
      "current_release_date": "2026-09-13T01:49:57.000Z",
      "generator": {
        "date": "2026-10-10T07:03:51.486Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2026-56136",
      "initial_release_date": "2026-08-27T01:13:29.000Z",
      "revision_history": [
        {
          "date": "2026-08-27T01:13:29.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2026-09-09T14:46:51.000Z",
          "legacy_version": "2",
          "number": "2",
          "summary": "Information published."
        },
        {
          "date": "2026-09-13T01:49:57.000Z",
          "legacy_version": "3",
          "number": "3",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "3.0",
                "product": {
                  "name": "Azure Linux 3.0",
                  "product_id": "17084"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "azl3 ntfs-3g 0:2022.10.3-3.azl3",
                "product": {
                  "name": "azl3 ntfs-3g 0:2022.10.3-3.azl3",
                  "product_id": "2"
                }
              },
              {
                "category": "product_version_range",
                "name": "<azl3 ntfs-3g 0:2022.10.3-4.azl3",
                "product": {
                  "name": "<azl3 ntfs-3g 0:2022.10.3-4.azl3",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 ntfs-3g 0:2022.10.3-4.azl3",
                "product": {
                  "name": "azl3 ntfs-3g 0:2022.10.3-4.azl3",
                  "product_id": "21822"
                }
              }
            ],
            "category": "product_name",
            "name": "ntfs-3g"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 ntfs-3g 0:2022.10.3-3.azl3 as a component of Azure Linux 3.0",
          "product_id": "17084-2"
        },
        "product_reference": "2",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "<azl3 ntfs-3g 0:2022.10.3-4.azl3 as a component of Azure Linux 3.0",
          "product_id": "17084-1"
        },
        "product_reference": "1",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 ntfs-3g 0:2022.10.3-4.azl3 as a component of Azure Linux 3.0",
          "product_id": "21822-17084"
        },
        "product_reference": "21822",
        "relates_to_product_reference": "17084"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-56136",
      "notes": [
        {
          "category": "general",
          "text": "mitre",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "21822-17084"
        ],
        "known_affected": [
          "17084-2",
          "17084-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-56136 In NTFS-3G through 2026.2.25, an out-of-bounds read exists in ntfs_ir_nill() in libntfs-3g/index.c that allows an attacker to read possibly confidential information in an ntfs-3g process by crafting a malicious NTFS image. This read operation is triggered by creation of a file with a crafted name. - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-56136.json"
        }
      ],
      "remediations": [
        {
          "category": "none_available",
          "date": "2026-08-27T01:13:29.000Z",
          "details": "There is no fix available for this vulnerability as of now",
          "product_ids": [
            "17084-2"
          ]
        },
        {
          "category": "vendor_fix",
          "date": "2026-08-27T01:13:29.000Z",
          "details": "0:2022.10.3-4.azl3:Security Update",
          "product_ids": [
            "17084-1"
          ]
        }
      ],
      "title": "In NTFS-3G through 2026.2.25, an out-of-bounds read exists in ntfs_ir_nill() in libntfs-3g/index.c that allows an attacker to read possibly confidential information in an ntfs-3g process by crafting a malicious NTFS image. This read operation is triggered by creation of a file with a crafted name."
    }
  ]
}