{
  "document": {
    "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-2025-55317 Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability - HTML",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55317"
      },
      {
        "category": "self",
        "summary": "CVE-2025-55317 Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability - CSAF",
        "url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-55317.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 AutoUpdate (MAU) Elevation of Privilege Vulnerability",
    "tracking": {
      "current_release_date": "2025-09-09T07:00:00.000Z",
      "generator": {
        "date": "2025-09-18T21:41:47.149Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2025-55317",
      "initial_release_date": "2025-09-09T07:00:00.000Z",
      "revision_history": [
        {
          "date": "2025-09-09T07:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c4.80",
            "product": {
              "name": "Microsoft AutoUpdate for Mac \u003c4.80",
              "product_id": "1"
            }
          },
          {
            "category": "product_version",
            "name": "4.80",
            "product": {
              "name": "Microsoft AutoUpdate for Mac 4.80",
              "product_id": "10949"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft AutoUpdate for Mac"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-55317",
      "cwe": {
        "id": "CWE-59",
        "name": "Improper Link Resolution Before File Access (\u0027Link Following\u0027)"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "An attacker who successfully exploits this vulnerability could elevate their privileges to perform commands as Root in the target environment.",
          "title": "What privileges could be gained by an attacker who successfully exploited the vulnerability?"
        },
        {
          "category": "faq",
          "text": "A user can download an installer and before the user runs the installer, the attacker could replace it with a malicious installer. When the victim runs the malicious installer the attacker could elevate their privileges.",
          "title": "How could an attacker exploit this vulnerability?"
        }
      ],
      "product_status": {
        "fixed": [
          "10949"
        ],
        "known_affected": [
          "1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2025-55317 Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55317"
        },
        {
          "category": "self",
          "summary": "CVE-2025-55317 Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-55317.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-09-09T07:00:00.000Z",
          "details": "4.80:Security Update:https://support.office.com/en-us/article/Check-for-Office-for-Mac-updates-automatically-bfd1e497-c24d-4754-92ab-910a4074d7c1",
          "product_ids": [
            "1"
          ],
          "url": "https://support.office.com/en-us/article/Check-for-Office-for-Mac-updates-automatically-bfd1e497-c24d-4754-92ab-910a4074d7c1"
        }
      ],
      "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"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Elevation of Privilege"
        },
        {
          "category": "exploit_status",
          "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Unlikely"
        }
      ],
      "title": "Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability"
    }
  ]
}