{
  "affected": [],
  "aliases": [
    "CVE-2024-38163"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-284"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-08-14T00:15:07Z",
    "severity": "HIGH"
  },
  "details": "Windows Update Stack Elevation of Privilege Vulnerability",
  "id": "GHSA-q3r4-2437-ppv4",
  "modified": "2024-08-14T00:31:02Z",
  "published": "2024-08-14T00:31:02Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-38163"
    },
    {
      "type": "WEB",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38163"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "\u003ca href=\"https://www.linkedin.com/in/ilan-kotler-pt/\"\u003eIlan Kotler\u003c/a\u003e"
        ]
      },
      {
        "names": [
          "\u003ca href=\"https://medium.com/@spoppi\"\u003eSandro Poppi\u003c/a\u003e"
        ]
      },
      {
        "names": [
          "Nicholas Zubrisky (@NZubrisky) of Trend Micro Zero Day Initiative"
        ]
      }
    ],
    "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-2024-38163 Windows Update Stack Elevation of Privilege Vulnerability - HTML",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38163"
      },
      {
        "category": "self",
        "summary": "CVE-2024-38163 Windows Update Stack Elevation of Privilege Vulnerability - CSAF",
        "url": "https://msrc.microsoft.com/csaf/2024/msrc_cve-2024-38163.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 Update Stack Elevation of Privilege Vulnerability",
    "tracking": {
      "current_release_date": "2024-10-03T07:00:00.000Z",
      "generator": {
        "date": "2024-12-31T22:30:41.272Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2024-38163",
      "initial_release_date": "2024-08-13T07:00:00.000Z",
      "revision_history": [
        {
          "date": "2024-08-13T07:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2024-10-03T07:00:00.000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Corrected Build Numbers in the Security Updates table. This is an informational change only."
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.20348.2201",
            "product": {
              "name": "Windows Server 2022 \u003c10.0.20348.2201",
              "product_id": "6"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.20348.2201",
            "product": {
              "name": "Windows Server 2022 10.0.20348.2201",
              "product_id": "11923"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows Server 2022"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.22000.2710",
            "product": {
              "name": "Windows 11 version 21H2 for x64-based Systems \u003c10.0.22000.2710",
              "product_id": "5"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.22000.2710",
            "product": {
              "name": "Windows 11 version 21H2 for x64-based Systems 10.0.22000.2710",
              "product_id": "11926"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows 11 version 21H2 for x64-based Systems"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.19041.3920",
            "product": {
              "name": "Windows 10 Version 21H2 for 32-bit Systems \u003c10.0.19041.3920",
              "product_id": "4"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.19041.3920",
            "product": {
              "name": "Windows 10 Version 21H2 for 32-bit Systems 10.0.19041.3920",
              "product_id": "11929"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows 10 Version 21H2 for 32-bit Systems"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.19041.3920",
            "product": {
              "name": "Windows 10 Version 21H2 for x64-based Systems \u003c10.0.19041.3920",
              "product_id": "3"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.19041.3920",
            "product": {
              "name": "Windows 10 Version 21H2 for x64-based Systems 10.0.19041.3920",
              "product_id": "11931"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows 10 Version 21H2 for x64-based Systems"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.19041.3920",
            "product": {
              "name": "Windows 10 Version 22H2 for x64-based Systems \u003c10.0.19041.3920",
              "product_id": "2"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.19041.3920",
            "product": {
              "name": "Windows 10 Version 22H2 for x64-based Systems 10.0.19041.3920",
              "product_id": "12097"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows 10 Version 22H2 for x64-based Systems"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.19041.3920",
            "product": {
              "name": "Windows 10 Version 22H2 for 32-bit Systems \u003c10.0.19041.3920",
              "product_id": "1"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.19041.3920",
            "product": {
              "name": "Windows 10 Version 22H2 for 32-bit Systems 10.0.19041.3920",
              "product_id": "12099"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows 10 Version 22H2 for 32-bit Systems"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2024-38163",
      "cwe": {
        "id": "CWE-284",
        "name": "Improper Access Control"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "The vulnerability pertains to a previous installer version which has been superseded by the new WinRE installer. Since the vulnerability is only exploitable at the install time, users need to take no action to be protected from this vulnerability. See the linked Article in the Security Updates table about the update for your particular Windows version.",
          "title": "How do I protect myself from this vulnerability?"
        },
        {
          "category": "faq",
          "text": "An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.",
          "title": "What privileges could be gained by an attacker who successfully exploited this vulnerability?"
        },
        {
          "category": "faq",
          "text": "You do not need to install the standalone updates listed in the Security Updates table if either of the following applies:\nYou have installed the January 9, 2024 or newer SafeOS Dynamic Update for your operating system, available on the Microsoft Update Catalog.\nIf the WinRE image on your machine has a version greater than or equal to the following, based on the installed operating system. To determine the version of your WinRE image, check the WinREVersion registry value at HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion:\nWindows 11, version 21H2: WinRE Version must be \u0026gt;= 10.0.22000.2710, Windows Server 2022: WinRE Version must be \u0026gt;= 10.0.20348.2201, Windows 10, version 21H2 and Windows 10, version 22H2: WinRE Version must be \u0026gt;= 10.0.19041.3920\nNote that the update will not be offered if your machine does not have enough free space on your WinRE Recovery Partition, or if you do not have WinRE enabled.",
          "title": "How do I know if I need to install the update to be protected from this vulnerability?"
        }
      ],
      "product_status": {
        "fixed": [
          "11923",
          "11926",
          "11929",
          "11931",
          "12097",
          "12099"
        ],
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2024-38163 Windows Update Stack Elevation of Privilege Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38163"
        },
        {
          "category": "self",
          "summary": "CVE-2024-38163 Windows Update Stack Elevation of Privilege Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38163"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2024-08-13T07:00:00.000Z",
          "details": "10.0.20348.2201:Security Update:https://support.microsoft.com/help/5042322",
          "product_ids": [
            "6"
          ],
          "url": "https://support.microsoft.com/help/5042322"
        },
        {
          "category": "vendor_fix",
          "date": "2024-08-13T07:00:00.000Z",
          "details": "10.0.22000.2710:Security Update:https://support.microsoft.com/help/5042321",
          "product_ids": [
            "5"
          ],
          "url": "https://support.microsoft.com/help/5042321"
        },
        {
          "category": "vendor_fix",
          "date": "2024-08-13T07:00:00.000Z",
          "details": "10.0.19041.3920:Security Update:https://support.microsoft.com/help/5042320",
          "product_ids": [
            "4",
            "3",
            "2",
            "1"
          ],
          "url": "https://support.microsoft.com/help/5042320"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 6.8,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Elevation of Privilege"
        },
        {
          "category": "exploit_status",
          "details": "Exploited:No;Latest Software Release:Exploitation More Likely"
        }
      ],
      "title": "Windows Update Stack Elevation of Privilege Vulnerability"
    }
  ]
}