{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "bee13oy with <a href=\"https://www.cyberkl.com/\">Cyber Kunlun Lab</a>"
        ]
      }
    ],
    "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-2022-21996 Win32k Elevation of Privilege Vulnerability - HTML",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21996"
      },
      {
        "category": "self",
        "summary": "CVE-2022-21996 Win32k Elevation of Privilege Vulnerability - CSAF",
        "url": "https://msrc.microsoft.com/csaf/2022/msrc_cve-2022-21996.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": "Win32k Elevation of Privilege Vulnerability",
    "tracking": {
      "current_release_date": "2022-02-08T08:00:00.000Z",
      "generator": {
        "date": "2025-01-02T18:27:58.985Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2022-21996",
      "initial_release_date": "2022-02-08T08:00:00.000Z",
      "revision_history": [
        {
          "date": "2022-02-08T08:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "<10.0.22000.493",
            "product": {
              "name": "Windows 11 version 21H2 for x64-based Systems <10.0.22000.493",
              "product_id": "2"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.22000.493",
            "product": {
              "name": "Windows 11 version 21H2 for x64-based Systems 10.0.22000.493",
              "product_id": "11926"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows 11 version 21H2 for x64-based Systems"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "<10.0.22000.493",
            "product": {
              "name": "Windows 11 version 21H2 for ARM64-based Systems <10.0.22000.493",
              "product_id": "1"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.22000.493",
            "product": {
              "name": "Windows 11 version 21H2 for ARM64-based Systems 10.0.22000.493",
              "product_id": "11927"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows 11 version 21H2 for ARM64-based Systems"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2022-21996",
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "11926",
          "11927"
        ],
        "known_affected": [
          "1",
          "2"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2022-21996 Win32k Elevation of Privilege Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21996"
        },
        {
          "category": "self",
          "summary": "CVE-2022-21996 Win32k Elevation of Privilege Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21996"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2022-02-08T08:00:00.000Z",
          "details": "10.0.22000.493:Security Update:https://support.microsoft.com/help/5010386",
          "product_ids": [
            "2",
            "1"
          ],
          "url": "https://support.microsoft.com/help/5010386"
        }
      ],
      "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"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Elevation of Privilege"
        },
        {
          "category": "exploit_status",
          "details": "Exploited:No;Latest Software Release:Exploitation More Likely"
        }
      ],
      "title": "Win32k Elevation of Privilege Vulnerability"
    }
  ]
}