fkie_cve-2023-21674
Vulnerability from fkie_nvd
Published
2023-01-10 22:15
Modified
2025-10-22 00:18
Severity ?
8.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Summary
Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability
References
secure@microsoft.comhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21674Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21674Patch, Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21674
Impacted products
Vendor Product Version
microsoft windows_10_1507 *
microsoft windows_10_1607 *
microsoft windows_10_1809 *
microsoft windows_10_20h2 *
microsoft windows_10_21h2 *
microsoft windows_10_22h2 *
microsoft windows_11_21h2 *
microsoft windows_11_22h2 *
microsoft windows_rt_8.1 -
microsoft windows_server_2012 r2
microsoft windows_server_2016 *
microsoft windows_server_2019 *
microsoft windows_server_2022 *


To clipboard 

{
  "cisaActionDue": "2023-01-31",
  "cisaExploitAdd": "2023-01-10",
  "cisaRequiredAction": "Apply updates per vendor instructions.",
  "cisaVulnerabilityName": "Microsoft Windows Advanced Local Procedure Call (ALPC) Privilege Escalation Vulnerability",
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "2A983693-C39E-424B-8A1E-BD7B3A199632",
              "versionEndExcluding": "10.0.10240.19685",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "960B3437-DF2C-4CF6-AF06-9AF1E6AC9EA5",
              "versionEndExcluding": "10.0.14393.5648",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A7F8B54C-4564-497A-9786-876A516219C3",
              "versionEndExcluding": "10.0.17763.3887",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "9EC1EA32-6810-4092-BEBF-120FBE093A5B",
              "versionEndExcluding": "10.0.19042.2486",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "05BF289F-51FE-4CE5-8487-D909E4CA3D77",
              "versionEndExcluding": "10.0.19044.2486",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "127FA76C-101B-4DAB-9034-1B893016D06A",
              "versionEndExcluding": "10.0.19045.2486",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "84D221BE-D305-4BB8-ADAF-DEDFF7E35C8D",
              "versionEndExcluding": "10.0.22000.1455",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3E62759B-9029-42E8-8807-1AC4C2D00401",
              "versionEndExcluding": "10.0.22621.1105",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "C6CE5198-C498-4672-AF4C-77AB4BE06C5C",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*",
              "matchCriteriaId": "DB18C4CE-5917-401E-ACF7-2747084FD36E",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D1FFC699-725E-4F6A-988D-228613256CA3",
              "versionEndExcluding": "10.0.14393.5648",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7F9F1524-807A-49CC-9F15-B4967AF78E31",
              "versionEndExcluding": "10.0.17763.3887",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D47581C0-F0DF-45D3-8BBF-B49E2172E01C",
              "versionEndExcluding": "10.0.20348.1487",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability"
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de elevaci\u00f3n de privilegios de llamada a procedimiento local avanzado (ALPC) de Windows."
    }
  ],
  "id": "CVE-2023-21674",
  "lastModified": "2025-10-22T00:18:14.823",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.0,
        "impactScore": 6.0,
        "source": "secure@microsoft.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2023-01-10T22:15:16.307",
  "references": [
    {
      "source": "secure@microsoft.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21674"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21674"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21674"
    }
  ],
  "sourceIdentifier": "secure@microsoft.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "secure@microsoft.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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