{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "Genghis Karimov with Microsoft High Availability Storage Group"
        ]
      }
    ],
    "aggregate_severity": {
      "namespace": "https://www.microsoft.com/en-us/msrc/security-update-severity-rating-system",
      "text": "Important"
    },
    "category": "csaf_security_advisory",
    "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"
      },
      {
        "category": "general",
        "text": "Required. The vulnerability documented by this CVE requires customer action to resolve.",
        "title": "Customer Action"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2025-29956 Windows SMB Information Disclosure Vulnerability - HTML",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29956"
      },
      {
        "category": "self",
        "summary": "CVE-2025-29956 Windows SMB Information Disclosure Vulnerability - CSAF",
        "url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-29956.json"
      },
      {
        "category": "external",
        "summary": "Microsoft Exploitability Index",
        "url": "https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1"
      },
      {
        "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": "Windows SMB Information Disclosure Vulnerability",
    "tracking": {
      "current_release_date": "2025-05-13T07:00:00.000Z",
      "generator": {
        "date": "2025-09-10T00:09:05.415Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2025-29956",
      "initial_release_date": "2025-05-13T07:00:00.000Z",
      "revision_history": [
        {
          "date": "2025-05-13T07:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.17763.7314",
            "product": {
              "name": "Windows 10 Version 1809 for 32-bit Systems \u003c10.0.17763.7314",
              "product_id": "21"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.17763.7314",
            "product": {
              "name": "Windows 10 Version 1809 for 32-bit Systems 10.0.17763.7314",
              "product_id": "11568"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows 10 Version 1809 for 32-bit Systems"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.17763.7314",
            "product": {
              "name": "Windows 10 Version 1809 for x64-based Systems \u003c10.0.17763.7314",
              "product_id": "20"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.17763.7314",
            "product": {
              "name": "Windows 10 Version 1809 for x64-based Systems 10.0.17763.7314",
              "product_id": "11569"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows 10 Version 1809 for x64-based Systems"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.17763.7314",
            "product": {
              "name": "Windows Server 2019 \u003c10.0.17763.7314",
              "product_id": "19"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.17763.7314",
            "product": {
              "name": "Windows Server 2019 10.0.17763.7314",
              "product_id": "11571"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows Server 2019"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.17763.7314",
            "product": {
              "name": "Windows Server 2019 (Server Core installation) \u003c10.0.17763.7314",
              "product_id": "18"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.17763.7314",
            "product": {
              "name": "Windows Server 2019 (Server Core installation) 10.0.17763.7314",
              "product_id": "11572"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows Server 2019 (Server Core installation)"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.20348.3692",
            "product": {
              "name": "Windows Server 2022 \u003c10.0.20348.3692",
              "product_id": "17"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.20348.3692",
            "product": {
              "name": "Windows Server 2022 10.0.20348.3692",
              "product_id": "11923"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows Server 2022"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.20348.3692",
            "product": {
              "name": "Windows Server 2022 (Server Core installation) \u003c10.0.20348.3692",
              "product_id": "16"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.20348.3692",
            "product": {
              "name": "Windows Server 2022 (Server Core installation) 10.0.20348.3692",
              "product_id": "11924"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows Server 2022 (Server Core installation)"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.19044.5854",
            "product": {
              "name": "Windows 10 Version 21H2 for 32-bit Systems \u003c10.0.19044.5854",
              "product_id": "15"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.19044.5854",
            "product": {
              "name": "Windows 10 Version 21H2 for 32-bit Systems 10.0.19044.5854",
              "product_id": "11929"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows 10 Version 21H2 for 32-bit Systems"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.19044.5854",
            "product": {
              "name": "Windows 10 Version 21H2 for ARM64-based Systems \u003c10.0.19044.5854",
              "product_id": "14"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.19044.5854",
            "product": {
              "name": "Windows 10 Version 21H2 for ARM64-based Systems 10.0.19044.5854",
              "product_id": "11930"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows 10 Version 21H2 for ARM64-based Systems"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.19044.5854",
            "product": {
              "name": "Windows 10 Version 21H2 for x64-based Systems \u003c10.0.19044.5854",
              "product_id": "13"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.19044.5854",
            "product": {
              "name": "Windows 10 Version 21H2 for x64-based Systems 10.0.19044.5854",
              "product_id": "11931"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows 10 Version 21H2 for x64-based Systems"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.22621.5335",
            "product": {
              "name": "Windows 11 Version 22H2 for ARM64-based Systems \u003c10.0.22621.5335",
              "product_id": "12"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.22621.5335",
            "product": {
              "name": "Windows 11 Version 22H2 for ARM64-based Systems 10.0.22621.5335",
              "product_id": "12085"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows 11 Version 22H2 for ARM64-based Systems"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.22621.5335",
            "product": {
              "name": "Windows 11 Version 22H2 for x64-based Systems \u003c10.0.22621.5335",
              "product_id": "11"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.22621.5335",
            "product": {
              "name": "Windows 11 Version 22H2 for x64-based Systems 10.0.22621.5335",
              "product_id": "12086"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows 11 Version 22H2 for x64-based Systems"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.19045.5854",
            "product": {
              "name": "Windows 10 Version 22H2 for x64-based Systems \u003c10.0.19045.5854",
              "product_id": "10"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.19045.5854",
            "product": {
              "name": "Windows 10 Version 22H2 for x64-based Systems 10.0.19045.5854",
              "product_id": "12097"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows 10 Version 22H2 for x64-based Systems"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.19045.5854",
            "product": {
              "name": "Windows 10 Version 22H2 for ARM64-based Systems \u003c10.0.19045.5854",
              "product_id": "9"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.19045.5854",
            "product": {
              "name": "Windows 10 Version 22H2 for ARM64-based Systems 10.0.19045.5854",
              "product_id": "12098"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows 10 Version 22H2 for ARM64-based Systems"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.19045.5854",
            "product": {
              "name": "Windows 10 Version 22H2 for 32-bit Systems \u003c10.0.19045.5854",
              "product_id": "8"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.19045.5854",
            "product": {
              "name": "Windows 10 Version 22H2 for 32-bit Systems 10.0.19045.5854",
              "product_id": "12099"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows 10 Version 22H2 for 32-bit Systems"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.26100.4061",
            "product": {
              "name": "Windows Server 2025 (Server Core installation) \u003c10.0.26100.4061",
              "product_id": "1"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.26100.4061",
            "product": {
              "name": "Windows Server 2025 (Server Core installation) 10.0.26100.4061",
              "product_id": "12437"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows Server 2025 (Server Core installation)"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.22631.5335",
            "product": {
              "name": "Windows 11 Version 23H2 for ARM64-based Systems \u003c10.0.22631.5335",
              "product_id": "7"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.22631.5335",
            "product": {
              "name": "Windows 11 Version 23H2 for ARM64-based Systems 10.0.22631.5335",
              "product_id": "12242"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows 11 Version 23H2 for ARM64-based Systems"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.22631.5335",
            "product": {
              "name": "Windows 11 Version 23H2 for x64-based Systems \u003c10.0.22631.5335",
              "product_id": "6"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.22631.5335",
            "product": {
              "name": "Windows 11 Version 23H2 for x64-based Systems 10.0.22631.5335",
              "product_id": "12243"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows 11 Version 23H2 for x64-based Systems"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.25398.1611",
            "product": {
              "name": "Windows Server 2022, 23H2 Edition (Server Core installation) \u003c10.0.25398.1611",
              "product_id": "5"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.25398.1611",
            "product": {
              "name": "Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1611",
              "product_id": "12244"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows Server 2022, 23H2 Edition (Server Core installation)"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.26100.4061",
            "product": {
              "name": "Windows 11 Version 24H2 for ARM64-based Systems \u003c10.0.26100.4061",
              "product_id": "4"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.26100.4061",
            "product": {
              "name": "Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.4061",
              "product_id": "12389"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows 11 Version 24H2 for ARM64-based Systems"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.26100.4061",
            "product": {
              "name": "Windows 11 Version 24H2 for x64-based Systems \u003c10.0.26100.4061",
              "product_id": "3"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.26100.4061",
            "product": {
              "name": "Windows 11 Version 24H2 for x64-based Systems 10.0.26100.4061",
              "product_id": "12390"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows 11 Version 24H2 for x64-based Systems"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.26100.4061",
            "product": {
              "name": "Windows Server 2025 \u003c10.0.26100.4061",
              "product_id": "2"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.26100.4061",
            "product": {
              "name": "Windows Server 2025 10.0.26100.4061",
              "product_id": "12436"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows Server 2025"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.10240.21014",
            "product": {
              "name": "Windows 10 for 32-bit Systems \u003c10.0.10240.21014",
              "product_id": "27"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.10240.21014",
            "product": {
              "name": "Windows 10 for 32-bit Systems 10.0.10240.21014",
              "product_id": "10729"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows 10 for 32-bit Systems"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.10240.21014",
            "product": {
              "name": "Windows 10 for x64-based Systems \u003c10.0.10240.21014",
              "product_id": "26"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.10240.21014",
            "product": {
              "name": "Windows 10 for x64-based Systems 10.0.10240.21014",
              "product_id": "10735"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows 10 for x64-based Systems"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.14393.8066",
            "product": {
              "name": "Windows 10 Version 1607 for 32-bit Systems \u003c10.0.14393.8066",
              "product_id": "24"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.14393.8066",
            "product": {
              "name": "Windows 10 Version 1607 for 32-bit Systems 10.0.14393.8066",
              "product_id": "10852"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows 10 Version 1607 for 32-bit Systems"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.14393.8066",
            "product": {
              "name": "Windows 10 Version 1607 for x64-based Systems \u003c10.0.14393.8066",
              "product_id": "23"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.14393.8066",
            "product": {
              "name": "Windows 10 Version 1607 for x64-based Systems 10.0.14393.8066",
              "product_id": "10853"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows 10 Version 1607 for x64-based Systems"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.14393.8066",
            "product": {
              "name": "Windows Server 2016 \u003c10.0.14393.8066",
              "product_id": "25"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.14393.8066",
            "product": {
              "name": "Windows Server 2016 10.0.14393.8066",
              "product_id": "10816"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows Server 2016"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.14393.8066",
            "product": {
              "name": "Windows Server 2016 (Server Core installation) \u003c10.0.14393.8066",
              "product_id": "22"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.14393.8066",
            "product": {
              "name": "Windows Server 2016 (Server Core installation) 10.0.14393.8066",
              "product_id": "10855"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows Server 2016 (Server Core installation)"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c6.0.6003.23279",
            "product": {
              "name": "Windows Server 2008 for 32-bit Systems Service Pack 2 \u003c6.0.6003.23279",
              "product_id": "37"
            }
          },
          {
            "category": "product_version",
            "name": "6.0.6003.23279",
            "product": {
              "name": "Windows Server 2008 for 32-bit Systems Service Pack 2 6.0.6003.23279",
              "product_id": "9312"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows Server 2008 for 32-bit Systems Service Pack 2"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c6.0.6003.23279",
            "product": {
              "name": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) \u003c6.0.6003.23279",
              "product_id": "32"
            }
          },
          {
            "category": "product_version",
            "name": "6.0.6003.23279",
            "product": {
              "name": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 6.0.6003.23279",
              "product_id": "10287"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c6.0.6003.23279",
            "product": {
              "name": "Windows Server 2008 for x64-based Systems Service Pack 2 \u003c6.0.6003.23279",
              "product_id": "36"
            }
          },
          {
            "category": "product_version",
            "name": "6.0.6003.23279",
            "product": {
              "name": "Windows Server 2008 for x64-based Systems Service Pack 2 6.0.6003.23279",
              "product_id": "9318"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows Server 2008 for x64-based Systems Service Pack 2"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c6.0.6003.23279",
            "product": {
              "name": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) \u003c6.0.6003.23279",
              "product_id": "35"
            }
          },
          {
            "category": "product_version",
            "name": "6.0.6003.23279",
            "product": {
              "name": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 6.0.6003.23279",
              "product_id": "9344"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c6.1.7601.27729",
            "product": {
              "name": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 \u003c6.1.7601.27729",
              "product_id": "33"
            }
          },
          {
            "category": "product_version",
            "name": "6.1.7601.27729",
            "product": {
              "name": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.27729",
              "product_id": "10051"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows Server 2008 R2 for x64-based Systems Service Pack 1"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c6.1.7601.27729",
            "product": {
              "name": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) \u003c6.1.7601.27729",
              "product_id": "34"
            }
          },
          {
            "category": "product_version",
            "name": "6.1.7601.27729",
            "product": {
              "name": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.27729",
              "product_id": "10049"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c6.2.9200.25475",
            "product": {
              "name": "Windows Server 2012 \u003c6.2.9200.25475",
              "product_id": "31"
            }
          },
          {
            "category": "product_version",
            "name": "6.2.9200.25475",
            "product": {
              "name": "Windows Server 2012 6.2.9200.25475",
              "product_id": "10378"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows Server 2012"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c6.2.9200.25475",
            "product": {
              "name": "Windows Server 2012 (Server Core installation) \u003c6.2.9200.25475",
              "product_id": "30"
            }
          },
          {
            "category": "product_version",
            "name": "6.2.9200.25475",
            "product": {
              "name": "Windows Server 2012 (Server Core installation) 6.2.9200.25475",
              "product_id": "10379"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows Server 2012 (Server Core installation)"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c6.3.9600.22577",
            "product": {
              "name": "Windows Server 2012 R2 \u003c6.3.9600.22577",
              "product_id": "29"
            }
          },
          {
            "category": "product_version",
            "name": "6.3.9600.22577",
            "product": {
              "name": "Windows Server 2012 R2 6.3.9600.22577",
              "product_id": "10483"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows Server 2012 R2"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c6.3.9600.22577",
            "product": {
              "name": "Windows Server 2012 R2 (Server Core installation) \u003c6.3.9600.22577",
              "product_id": "28"
            }
          },
          {
            "category": "product_version",
            "name": "6.3.9600.22577",
            "product": {
              "name": "Windows Server 2012 R2 (Server Core installation) 6.3.9600.22577",
              "product_id": "10543"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows Server 2012 R2 (Server Core installation)"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-29956",
      "cwe": {
        "id": "CWE-126",
        "name": "Buffer Over-read"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "The attack requires to trick a user to open an SMB share folder that is hosted on the attacker-controlled system. Windows Explorer has to automatically register for directory change notification after opening the share folder.",
          "title": "According to the CVSS metric, user interaction is required (UI:R) and privileges required is low (PR:L). What does that mean for this vulnerability?"
        },
        {
          "category": "faq",
          "text": "An attacker who successfully exploited this vulnerability could potentially read small portions of heap memory.",
          "title": "What type of information could be disclosed by this vulnerability?"
        },
        {
          "category": "faq",
          "text": "To successfully exploit the vulnerability, an attacker would need to direct a user to connect to the malicious SMB server to retrieve some data as part of an OS API call.",
          "title": "How could an attacker exploit the vulnerability?"
        },
        {
          "category": "faq",
          "text": "For this vulnerability, it is out of attacker\u0027s control to trigger the OOB read buffer to be sent back to the attacker-controlled system.",
          "title": "According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?"
        },
        {
          "category": "faq",
          "text": "There is a high likelihood that the Out-Of-Bounds (OOB) read data results in a crash in Windows Explorer. Every time the SMB client sends the OOB read data to the remote SMB server and a crash does not occur, it would contain several bytes of random user mode heap memory.",
          "title": "According to the CVSS metrics, successful exploitation of this vulnerability could lead to a high loss of confidentiality (C:H), no effect on integrity (I:N) and some loss of availability (A:L). What does that mean for this vulnerability?"
        }
      ],
      "product_status": {
        "fixed": [
          "9312",
          "9318",
          "9344",
          "10049",
          "10051",
          "10287",
          "10378",
          "10379",
          "10483",
          "10543",
          "10729",
          "10735",
          "10816",
          "10852",
          "10853",
          "10855",
          "11568",
          "11569",
          "11571",
          "11572",
          "11923",
          "11924",
          "11929",
          "11930",
          "11931",
          "12085",
          "12086",
          "12097",
          "12098",
          "12099",
          "12242",
          "12243",
          "12244",
          "12389",
          "12390",
          "12436",
          "12437"
        ],
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8",
          "9",
          "10",
          "11",
          "12",
          "13",
          "14",
          "15",
          "16",
          "17",
          "18",
          "19",
          "20",
          "21",
          "22",
          "23",
          "24",
          "25",
          "26",
          "27",
          "28",
          "29",
          "30",
          "31",
          "32",
          "33",
          "34",
          "35",
          "36",
          "37"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2025-29956 Windows SMB Information Disclosure Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29956"
        },
        {
          "category": "self",
          "summary": "CVE-2025-29956 Windows SMB Information Disclosure Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-29956.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-05-13T07:00:00.000Z",
          "details": "10.0.17763.7314:Security Update:https://support.microsoft.com/help/5058392",
          "product_ids": [
            "21",
            "20",
            "19",
            "18"
          ],
          "url": "https://support.microsoft.com/help/5058392"
        },
        {
          "category": "vendor_fix",
          "date": "2025-05-13T07:00:00.000Z",
          "details": "10.0.20348.3692:Security Update:https://support.microsoft.com/help/5058385",
          "product_ids": [
            "17",
            "16"
          ],
          "url": "https://support.microsoft.com/help/5058385"
        },
        {
          "category": "vendor_fix",
          "date": "2025-05-13T07:00:00.000Z",
          "details": "10.0.20348.3630:SecurityHotpatchUpdate:https://support.microsoft.com/help/5058500",
          "product_ids": [
            "17"
          ],
          "url": "https://support.microsoft.com/help/5058500"
        },
        {
          "category": "vendor_fix",
          "date": "2025-05-13T07:00:00.000Z",
          "details": "10.0.19044.5854:Security Update:https://support.microsoft.com/help/5058379",
          "product_ids": [
            "15",
            "14",
            "13"
          ],
          "url": "https://support.microsoft.com/help/5058379"
        },
        {
          "category": "vendor_fix",
          "date": "2025-05-13T07:00:00.000Z",
          "details": "10.0.22621.5335:Security Update:https://support.microsoft.com/help/5058405",
          "product_ids": [
            "12",
            "11"
          ],
          "url": "https://support.microsoft.com/help/5058405"
        },
        {
          "category": "vendor_fix",
          "date": "2025-05-13T07:00:00.000Z",
          "details": "10.0.19045.5854:Security Update:https://support.microsoft.com/help/5058379",
          "product_ids": [
            "10",
            "9",
            "8"
          ],
          "url": "https://support.microsoft.com/help/5058379"
        },
        {
          "category": "vendor_fix",
          "date": "2025-05-13T07:00:00.000Z",
          "details": "10.0.26100.4061:Security Update:https://support.microsoft.com/help/5058411",
          "product_ids": [
            "1",
            "4",
            "3",
            "2"
          ],
          "url": "https://support.microsoft.com/help/5058411"
        },
        {
          "category": "vendor_fix",
          "date": "2025-05-13T07:00:00.000Z",
          "details": "10.0.26100.3981:SecurityHotpatchUpdate:https://support.microsoft.com/help/5058497",
          "product_ids": [
            "1",
            "4",
            "3",
            "2"
          ],
          "url": "https://support.microsoft.com/help/5058497"
        },
        {
          "category": "vendor_fix",
          "date": "2025-05-13T07:00:00.000Z",
          "details": "10.0.22631.5335:Security Update:https://support.microsoft.com/help/5058405",
          "product_ids": [
            "7",
            "6"
          ],
          "url": "https://support.microsoft.com/help/5058405"
        },
        {
          "category": "vendor_fix",
          "date": "2025-05-13T07:00:00.000Z",
          "details": "10.0.25398.1611:Security Update:https://support.microsoft.com/help/5058384",
          "product_ids": [
            "5"
          ],
          "url": "https://support.microsoft.com/help/5058384"
        },
        {
          "category": "vendor_fix",
          "date": "2025-05-13T07:00:00.000Z",
          "details": "10.0.10240.21014:Security Update:https://support.microsoft.com/help/5058387",
          "product_ids": [
            "27",
            "26"
          ],
          "url": "https://support.microsoft.com/help/5058387"
        },
        {
          "category": "vendor_fix",
          "date": "2025-05-13T07:00:00.000Z",
          "details": "10.0.14393.8066:Security Update:https://support.microsoft.com/help/5058383",
          "product_ids": [
            "24",
            "23",
            "25",
            "22"
          ],
          "url": "https://support.microsoft.com/help/5058383"
        },
        {
          "category": "vendor_fix",
          "date": "2025-05-13T07:00:00.000Z",
          "details": "6.0.6003.23279:Monthly Rollup:https://support.microsoft.com/help/5058449",
          "product_ids": [
            "37",
            "32",
            "36",
            "35"
          ],
          "url": "https://support.microsoft.com/help/5058449"
        },
        {
          "category": "vendor_fix",
          "date": "2025-05-13T07:00:00.000Z",
          "details": "6.0.6003.23279:Security Only:https://support.microsoft.com/help/5058429",
          "product_ids": [
            "37",
            "32",
            "36",
            "35"
          ],
          "url": "https://support.microsoft.com/help/5058429"
        },
        {
          "category": "vendor_fix",
          "date": "2025-05-13T07:00:00.000Z",
          "details": "6.1.7601.27729:Monthly Rollup:https://support.microsoft.com/help/5058430",
          "product_ids": [
            "33",
            "34"
          ],
          "url": "https://support.microsoft.com/help/5058430"
        },
        {
          "category": "vendor_fix",
          "date": "2025-05-13T07:00:00.000Z",
          "details": "6.1.7601.27729:Security Only:https://support.microsoft.com/help/5058454",
          "product_ids": [
            "33",
            "34"
          ],
          "url": "https://support.microsoft.com/help/5058454"
        },
        {
          "category": "vendor_fix",
          "date": "2025-05-13T07:00:00.000Z",
          "details": "6.2.9200.25475:Monthly Rollup:https://support.microsoft.com/help/5058451",
          "product_ids": [
            "31",
            "30"
          ],
          "url": "https://support.microsoft.com/help/5058451"
        },
        {
          "category": "vendor_fix",
          "date": "2025-05-13T07:00:00.000Z",
          "details": "6.3.9600.22577:Monthly Rollup:https://support.microsoft.com/help/5058403",
          "product_ids": [
            "29",
            "28"
          ],
          "url": "https://support.microsoft.com/help/5058403"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 4.7,
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:L/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "17",
            "18",
            "19",
            "20",
            "21",
            "22",
            "23",
            "24",
            "25",
            "26",
            "27",
            "28",
            "29",
            "30",
            "31",
            "32",
            "33",
            "34",
            "35",
            "36",
            "37"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Information Disclosure"
        },
        {
          "category": "exploit_status",
          "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Unlikely"
        }
      ],
      "title": "Windows SMB Information Disclosure Vulnerability"
    }
  ]
}