{
  "cveId": "CVE-2024-38202",
  "url": "https://patchblox.com/security/cve/CVE-2024-38202",
  "summary": "CVE-2024-38202 is fixed in 23 products on 1 platform, first by KB5044293, released October 8, 2024. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Windows Update Stack Elevation of Privilege Vulnerability",
  "description": "\u003Ch1 id=\u0022summary\u0022\u003ESummary\u003C/h1\u003E\n\u003Cp\u003EMicrosoft was notified that an elevation of privilege vulnerability exists in Windows Update, potentially enabling an attacker with basic user privileges to reintroduce previously mitigated vulnerabilities or circumvent some features of Virtualization Based Security (VBS). However, an attacker attempting to exploit this vulnerability requires additional interaction by a privileged user to be successful.\u003C/p\u003E\n\u003Cp\u003EMicrosoft has developed a security update to mitigate this threat which was made available October 08, 2024 and is provided in the Security Updates table of this CVE for customers to download. \u003Cstrong\u003ENote:\u003C/strong\u003E Depending on your version of Windows, additional steps may be required to update Windows Recovery Environment (WinRE) to be protected from this vulnerability. Please refer to the FAQ section for more information. Guidance for customers who cannot immediately implement the update is provided in the \u003Cstrong\u003ERecommended Actions\u003C/strong\u003E section of this CVE to help reduce the risks associated with this vulnerability and to protect their systems.\u003C/p\u003E\n\u003Cp\u003EIf there are any further updates regarding mitigations for this vulnerability, this CVE will be updated and customers will be notified. We highly encourage customers to \u003Ca href=\u0022https://www.microsoft.com/en-us/msrc/technical-security-notifications?rtc=1\u0022\u003Esubscribe\u003C/a\u003E to Security Update Guide notifications to receive an alert if an update occurs.\u003C/p\u003E\n\u003Ch2 id=\u0022details\u0022\u003EDetails\u003C/h2\u003E\n\u003Cp\u003EA security researcher informed Microsoft of an elevation of privilege vulnerability in Windows Update potentially enabling an attacker with basic user privileges to reintroduce previously mitigated vulnerabilities or circumvent some features of VBS. For exploitation to succeed, an attacker must trick or convince an Administrator or a user with delegated permissions into performing a system restore which inadvertently triggers the vulnerability.\u003C/p\u003E\n\u003Cp\u003EMicrosoft has developed a security update to mitigate this threat which was made available October 08, 2024 and is provided in the Security Updates table of this CVE for customers to download. \u003Cstrong\u003ENote:\u003C/strong\u003E Depending on your version of Windows, additional steps may be required to update Windows Recovery Environment (WinRE) to be protected from this vulnerability. Please refer to the FAQ section for more information. Guidance for customers who cannot immediately implement the update is provided in the \u003Cstrong\u003ERecommended Actions\u003C/strong\u003E section of this CVE to help reduce the risks associated with this vulnerability and to protect their systems.\u003C/p\u003E\n\u003Cp\u003EIf there are any further updates regarding mitigations for this vulnerability, this CVE will be updated and customers will be notified. We highly encourage customers to \u003Ca href=\u0022https://www.microsoft.com/en-us/msrc/technical-security-notifications?rtc=1\u0022\u003Esubscribe\u003C/a\u003E to Security Update Guide notifications to receive an alert if an update occurs.\u003C/p\u003E\n\u003Cp\u003EMicrosoft is not aware of any attempts to exploit this vulnerability. However, a public presentation regarding this vulnerability was hosted at BlackHat on August 7, 2024. The presentation was appropriately coordinated with Microsoft but may change the threat landscape. Customers concerned with these risks should reference the guidance provided in the \u003Cstrong\u003ERecommended Actions\u003C/strong\u003E section to protect their systems.\u003C/p\u003E\n\u003Ch2 id=\u0022recommended-actions\u0022\u003ERecommended Actions\u003C/h2\u003E\n\u003Cp\u003EThe following recommendations do not mitigate the vulnerability but can be used to reduce the risk of exploitation until the security update is available.\u003C/p\u003E\n\u003Cul\u003E\n\u003Cli\u003E\u003Cp\u003EConfigure \u201CAudit Object Access\u201D settings to monitor attempts to access files, such as handle creation, read / write operations, or modifications to security descriptors.\u003C/p\u003E\n\u003Cul\u003E\n\u003Cli\u003E\u003Ca href=\u0022https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-10/security/threat-protection/auditing/audit-file-system\u0022\u003EAudit File System - Windows 10 | Microsoft Learn\u003C/a\u003E\u003C/li\u003E\n\u003Cli\u003E\u003Ca href=\u0022https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-10/security/threat-protection/auditing/apply-a-basic-audit-policy-on-a-file-or-folder\u0022\u003EApply a basic audit policy on a file or folder - Windows 10 | Microsoft Learn\u003C/a\u003E\u003C/li\u003E\n\u003C/ul\u003E\n\u003C/li\u003E\n\u003Cli\u003E\u003Cp\u003EAudit users with permission to perform Update and Restore operations to ensure only the appropriate users can perform these operations.\u003C/p\u003E\n\u003Cul\u003E\n\u003Cli\u003E\u003Ca href=\u0022https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-10/security/threat-protection/security-policy-settings/audit-audit-the-use-of-backup-and-restore-privilege\u0022\u003EAudit: Audit the use of Backup and Restore privilege (Windows 10) - Windows 10 | Microsoft Learn\u003C/a\u003E\u003C/li\u003E\n\u003C/ul\u003E\n\u003C/li\u003E\n\u003Cli\u003E\u003Cp\u003EImplement an Access Control List or Discretionary Access Control Lists to restrict the access or modification of Update files and perform Restore operations to appropriate users, for example administrators only.\u003C/p\u003E\n\u003Cul\u003E\n\u003Cli\u003E\u003Ca href=\u0022https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-10/security/threat-protection/auditing/audit-sensitive-privilege-use\u0022\u003EAccess Control overview | Microsoft Learn\u003C/a\u003E\u003C/li\u003E\n\u003Cli\u003E\u003Ca href=\u0022https://learn.microsoft.com/en-us/windows/win32/secbp/creating-a-dacl\u0022\u003EDiscretionary Access Control Lists (DACL)\u003C/a\u003E\u003C/li\u003E\n\u003C/ul\u003E\n\u003C/li\u003E\n\u003Cli\u003E\u003Cp\u003EAuditing sensitive privileges used to identify access, modification, or replacement of Update related files could help indicate attempts to exploit this vulnerability.\u003C/p\u003E\n\u003Cul\u003E\n\u003Cli\u003E\u003Ca href=\u0022https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-10/security/threat-protection/auditing/audit-sensitive-privilege-use\u0022\u003EAudit Sensitive Privilege Use - Windows 10 | Microsoft Learn\u003C/a\u003E\u003C/li\u003E\n\u003C/ul\u003E\n\u003C/li\u003E\n\u003C/ul\u003E",
  "published": "2024-08-07T12:00:00Z",
  "severity": "Important",
  "cvss": 7.3,
  "cwe": "Improper Access Control",
  "epss": 0.01678,
  "epssPercentile": 0.77046,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": true,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38202",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for 32-bit Systems",
      "fixedVersion": "14393.7428",
      "fix": "KB5044293",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044293",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "14393.7428",
      "fix": "KB5044293",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044293",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for 32-bit Systems",
      "fixedVersion": "17763.6414",
      "fix": "KB5044277",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044277",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for x64-based Systems",
      "fixedVersion": "17763.6414",
      "fix": "KB5044277",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044277",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB5044273",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044273",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5044273",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044273",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5044273",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044273",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB5044273",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044273",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5044273",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044273",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5044273",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044273",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 22H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5044285",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044285",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 22H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5044285",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044285",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 23H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5044285",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044285",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 23H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5044285",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044285",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 version 21H2 for ARM64-based Systems",
      "fixedVersion": "22000.3260",
      "fix": "KB5044280",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044280",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 version 21H2 for x64-based Systems",
      "fixedVersion": "22000.3260",
      "fix": "KB5044280",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044280",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "14393.7428",
      "fix": "KB5044293",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044293",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "14393.7428",
      "fix": "KB5044293",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044293",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019",
      "fixedVersion": "17763.6414",
      "fix": "KB5044277",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044277",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019 (Server Core installation)",
      "fixedVersion": "17763.6414",
      "fix": "KB5044277",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044277",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022",
      "fixedVersion": "20348.2762",
      "fix": "KB5044281",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044281",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022 (Server Core installation)",
      "fixedVersion": "20348.2762",
      "fix": "KB5044281",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044281",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022, 23H2 Edition (Server Core installation)",
      "fixedVersion": "25398.1189",
      "fix": "KB5044288",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044288",
      "released": "2024-10-08T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}