{
  "affected": [],
  "aliases": [
    "CVE-2021-40449"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-269",
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-10-13T01:15:00Z",
    "severity": "HIGH"
  },
  "details": "Win32k Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-40450, CVE-2021-41357.",
  "id": "GHSA-qjf4-g2gg-w6pq",
  "modified": "2025-10-22T00:32:25Z",
  "published": "2022-05-24T19:17:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-40449"
    },
    {
      "type": "WEB",
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40449"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40449"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/164926/Win32k-NtGdiResetDC-Use-After-Free-Local-Privilege-Escalation.html"
    }
  ],
  "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"
    }
  ]
}

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Windows Server 2022",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2012",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 2004 pour syst\u00e8mes 32 bits",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 pour syst\u00e8mes x64",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 1909 pour ARM64-based Systems",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 1809 pour syst\u00e8mes x64",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 1909 pour syst\u00e8mes x64",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2019 (Server Core installation)",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server, version 2004 (Server Core installation)",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2019",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2012 R2",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2022 (Server Core installation)",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 1607 pour syst\u00e8mes 32 bits",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2008 pour syst\u00e8mes x64 Service Pack 2",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 1809 pour syst\u00e8mes 32 bits",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 20H2 pour syst\u00e8mes x64",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 21H1 pour syst\u00e8mes 32 bits",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 21H1 pour ARM64-based Systems",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2016 (Server Core installation)",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows RT 8.1",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 21H1 pour syst\u00e8mes x64",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 7 pour syst\u00e8mes x64 Service Pack 1",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 1809 pour ARM64-based Systems",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2008 pour syst\u00e8mes x64 Service Pack 2 (Server Core installation)",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 2004 pour ARM64-based Systems",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 1909 pour syst\u00e8mes 32 bits",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 20H2 pour syst\u00e8mes 32 bits",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2008 pour syst\u00e8mes 32 bits Service Pack 2 (Server Core installation)",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 1607 pour syst\u00e8mes x64",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2012 (Server Core installation)",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2008 pour syst\u00e8mes 32 bits Service Pack 2",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2008 R2 pour syst\u00e8mes x64 Service Pack 1",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 11 pour ARM64-based Systems",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 2004 pour syst\u00e8mes x64",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 11 pour syst\u00e8mes x64",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 8.1 pour syst\u00e8mes x64",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2016",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 8.1 pour syst\u00e8mes 32 bits",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server, version 20H2 (Server Core Installation)",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2008 R2 pour syst\u00e8mes x64 Service Pack 1 (Server Core installation)",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 Version 20H2 pour ARM64-based Systems",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows Server 2012 R2 (Server Core installation)",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 10 pour syst\u00e8mes 32 bits",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Windows 7 pour syst\u00e8mes 32 bits Service Pack 1",
      "product": {
        "name": "Windows",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": null,
  "content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
  "cves": [
    {
      "name": "CVE-2021-41332",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41332"
    },
    {
      "name": "CVE-2021-41345",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41345"
    },
    {
      "name": "CVE-2021-38672",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-38672"
    },
    {
      "name": "CVE-2021-40470",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40470"
    },
    {
      "name": "CVE-2021-40450",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40450"
    },
    {
      "name": "CVE-2021-26442",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-26442"
    },
    {
      "name": "CVE-2021-41334",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41334"
    },
    {
      "name": "CVE-2021-40476",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40476"
    },
    {
      "name": "CVE-2021-40478",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40478"
    },
    {
      "name": "CVE-2021-40462",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40462"
    },
    {
      "name": "CVE-2021-41336",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41336"
    },
    {
      "name": "CVE-2021-36953",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-36953"
    },
    {
      "name": "CVE-2021-40455",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40455"
    },
    {
      "name": "CVE-2021-40465",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40465"
    },
    {
      "name": "CVE-2021-41343",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41343"
    },
    {
      "name": "CVE-2021-40460",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40460"
    },
    {
      "name": "CVE-2021-40467",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40467"
    },
    {
      "name": "CVE-2021-40464",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40464"
    },
    {
      "name": "CVE-2021-40449",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40449"
    },
    {
      "name": "CVE-2021-40456",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40456"
    },
    {
      "name": "CVE-2021-41331",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41331"
    },
    {
      "name": "CVE-2021-36970",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-36970"
    },
    {
      "name": "CVE-2021-38663",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-38663"
    },
    {
      "name": "CVE-2021-40466",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40466"
    },
    {
      "name": "CVE-2021-26441",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-26441"
    },
    {
      "name": "CVE-2021-41342",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41342"
    },
    {
      "name": "CVE-2021-40454",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40454"
    },
    {
      "name": "CVE-2021-41347",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41347"
    },
    {
      "name": "CVE-2021-40468",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40468"
    },
    {
      "name": "CVE-2021-40463",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40463"
    },
    {
      "name": "CVE-2021-41330",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41330"
    },
    {
      "name": "CVE-2021-40488",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40488"
    },
    {
      "name": "CVE-2021-40475",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40475"
    },
    {
      "name": "CVE-2021-41337",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41337"
    },
    {
      "name": "CVE-2021-41357",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41357"
    },
    {
      "name": "CVE-2021-38662",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-38662"
    },
    {
      "name": "CVE-2021-40469",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40469"
    },
    {
      "name": "CVE-2021-41340",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41340"
    },
    {
      "name": "CVE-2021-40461",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40461"
    },
    {
      "name": "CVE-2021-41335",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41335"
    },
    {
      "name": "CVE-2021-41339",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41339"
    },
    {
      "name": "CVE-2021-40489",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40489"
    },
    {
      "name": "CVE-2021-40443",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40443"
    },
    {
      "name": "CVE-2021-41361",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41361"
    },
    {
      "name": "CVE-2021-41338",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41338"
    },
    {
      "name": "CVE-2021-41346",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41346"
    },
    {
      "name": "CVE-2021-40477",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-40477"
    }
  ],
  "initial_release_date": "2021-10-13T00:00:00",
  "last_revision_date": "2021-10-13T00:00:00",
  "links": [],
  "reference": "CERTFR-2021-AVI-782",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2021-10-13T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Usurpation d\u0027identit\u00e9"
    },
    {
      "description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
    },
    {
      "description": "D\u00e9ni de service"
    },
    {
      "description": "Contournement de la fonctionnalit\u00e9 de s\u00e9curit\u00e9"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    },
    {
      "description": "\u00c9l\u00e9vation de privil\u00e8ges"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 corrig\u00e9es dans \u003cspan\nclass=\"textit\"\u003eMicrosoft Windows\u003c/span\u003e. Elles permettent \u00e0 un attaquant\nde provoquer un contournement de la fonctionnalit\u00e9 de s\u00e9curit\u00e9, une\natteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es, un d\u00e9ni de service, une\n\u00e9l\u00e9vation de privil\u00e8ges, une ex\u00e9cution de code \u00e0 distance et une\nusurpation d\u0027identit\u00e9.\n",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans Microsoft Windows",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft du 12 octobre 2021",
      "url": "https://msrc.microsoft.com/update-guide/"
    }
  ]
}

{
  "GSD": {
    "alias": "CVE-2021-40449",
    "description": "Win32k Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-40450, CVE-2021-41357.",
    "id": "GSD-2021-40449",
    "references": [
      "https://packetstormsecurity.com/files/cve/CVE-2021-40449"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-40449"
      ],
      "details": "Win32k Elevation of Privilege Vulnerability",
      "id": "GSD-2021-40449",
      "modified": "2023-12-13T01:23:25.253893Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cisa.gov": {
      "cveID": "CVE-2021-40449",
      "dateAdded": "2021-11-17",
      "dueDate": "2021-12-01",
      "product": "Windows",
      "requiredAction": "Apply updates per vendor instructions.",
      "shortDescription": "Unspecified vulnerability allows for an authenticated user to escalate privileges.",
      "vendorProject": "Microsoft",
      "vulnerabilityName": "Microsoft Windows Win32k Privilege Escalation Vulnerability"
    },
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secure@microsoft.com",
        "ID": "CVE-2021-40449",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Windows 10 Version 1809",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "10.0.0",
                          "version_value": "10.0.17763.2237"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Windows Server 2019",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "10.0.0",
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