{
  "document": {
    "category": "csaf_vex",
    "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"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2026-69414 Microsoft Defender Elevation of Privilege Vulnerability - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-69414.json"
      },
      {
        "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": "Microsoft Defender Elevation of Privilege Vulnerability",
    "tracking": {
      "current_release_date": "2026-09-03T07:00:00.000Z",
      "generator": {
        "date": "2026-09-25T19:35:13.961Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2026-69414",
      "initial_release_date": "2026-08-14T07:00:00.000Z",
      "revision_history": [
        {
          "date": "2026-08-14T07:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2026-08-19T07:00:00.000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "CWE added. Informational change only."
        },
        {
          "date": "2026-09-03T07:00:00.000Z",
          "legacy_version": "2",
          "number": "3",
          "summary": "Microsoft has released an update to the Microsoft Malware Protection Engine that addresses the vulnerability identified by CVE-2026-69414.  Please see the FAQ for more information on how to check if the new version has been installed."
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "<1.1.26080.3",
                "product": {
                  "name": "Microsoft Malware Protection Engine <1.1.26080.3",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version",
                "name": "1.1.26080.3",
                "product": {
                  "name": "Microsoft Malware Protection Engine 1.1.26080.3",
                  "product_id": "11902"
                }
              }
            ],
            "category": "product_name",
            "name": "Microsoft Malware Protection Engine"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-69414",
      "cwe": {
        "id": "CWE-284",
        "name": "Improper Access Control"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "11902"
        ],
        "known_affected": [
          "1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-69414 Microsoft Defender Elevation of Privilege Vulnerability - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-69414.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-08-14T07:00:00.000Z",
          "details": "1.1.26080.3:Security Update:https://www.microsoft.com/en-us/wdsi/defenderupdates",
          "product_ids": [
            "1"
          ],
          "url": "https://www.microsoft.com/en-us/wdsi/defenderupdates"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "exploitCodeMaturity": "PROOF_OF_CONCEPT",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 7.0,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1"
          ]
        }
      ],
      "title": "Microsoft Defender Elevation of Privilege Vulnerability"
    }
  ]
}