{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "Rich Mirch with \u003ca href=\"https://www.stratascale.com/\"\u003eStratascale\u003c/a\u003e"
        ]
      },
      {
        "names": [
          "astraleureka (eureka@astr.al)"
        ]
      }
    ],
    "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-2025-26684 Microsoft Defender Elevation of Privilege Vulnerability - HTML",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26684"
      },
      {
        "category": "self",
        "summary": "CVE-2025-26684 Microsoft Defender Elevation of Privilege Vulnerability - CSAF",
        "url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-26684.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": "Microsoft Defender Elevation of Privilege Vulnerability",
    "tracking": {
      "current_release_date": "2025-07-14T07:00:00.000Z",
      "generator": {
        "date": "2025-07-15T01:10:58.631Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2025-26684",
      "initial_release_date": "2025-05-13T07:00:00.000Z",
      "revision_history": [
        {
          "date": "2025-05-13T07:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2025-07-08T07:00:00.000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Updated links to security updates.  This is an informational change only."
        },
        {
          "date": "2025-07-14T07:00:00.000Z",
          "legacy_version": "1.2",
          "number": "3",
          "summary": "Updated the build numbers.  This is an informational update only."
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c101.25032.0010",
            "product": {
              "name": "Microsoft Defender for Endpoint for Linux \u003c101.25032.0010",
              "product_id": "1"
            }
          },
          {
            "category": "product_version",
            "name": "101.25032.0010",
            "product": {
              "name": "Microsoft Defender for Endpoint for Linux 101.25032.0010",
              "product_id": "12015"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Defender for Endpoint for Linux"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-26684",
      "cwe": {
        "id": "CWE-73",
        "name": "External Control of File Name or Path"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "Customers wanting to ensure the client has been updated can run the MDE Client Analyzer on the device.  When running the analyzer on a Windows device that does not have the security update, the analyzer will present a warning (ID 121035) indicating missing patch and directing to relevant online article.  Additionally, if the update is installed, but the Anti-Spoofing capability is not in a stable state, the analyzer will present warning (ID 121036) indicating an issue and providing additional online guidance or callout to reach out to Microsoft support if issue persists.",
          "title": "How can I verify that the update is installed?"
        },
        {
          "category": "faq",
          "text": "An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.",
          "title": "What privileges could be gained by an attacker who successfully exploited this vulnerability?"
        }
      ],
      "product_status": {
        "fixed": [
          "12015"
        ],
        "known_affected": [
          "1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2025-26684 Microsoft Defender Elevation of Privilege Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26684"
        },
        {
          "category": "self",
          "summary": "CVE-2025-26684 Microsoft Defender Elevation of Privilege Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-26684.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-05-13T07:00:00.000Z",
          "details": "101.25032.0010:Security Update:https://learn.microsoft.com/en-us/defender-endpoint/linux-whatsnew#releases-for-defender-for-endpoint-on-linux",
          "product_ids": [
            "1"
          ],
          "url": "https://learn.microsoft.com/en-us/defender-endpoint/linux-whatsnew#releases-for-defender-for-endpoint-on-linux"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 5.8,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Elevation of Privilege"
        },
        {
          "category": "exploit_status",
          "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Unlikely"
        }
      ],
      "title": "Microsoft Defender Elevation of Privilege Vulnerability"
    }
  ]
}