{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "\u003ca href=\"https://x.com/yug0rd\"\u003eYuval Gordon\u003c/a\u003e with Akamai"
        ]
      }
    ],
    "aggregate_severity": {
      "namespace": "https://www.microsoft.com/en-us/msrc/security-update-severity-rating-system",
      "text": "Moderate"
    },
    "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-2025-53779 Windows Kerberos Elevation of Privilege Vulnerability - HTML",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53779"
      },
      {
        "category": "self",
        "summary": "CVE-2025-53779 Windows Kerberos Elevation of Privilege Vulnerability - CSAF",
        "url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-53779.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": "Windows Kerberos Elevation of Privilege Vulnerability",
    "tracking": {
      "current_release_date": "2025-08-12T07:00:00.000Z",
      "generator": {
        "date": "2025-08-15T20:32:07.561Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2025-53779",
      "initial_release_date": "2025-08-12T07:00:00.000Z",
      "revision_history": [
        {
          "date": "2025-08-12T07:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.26100.4946",
            "product": {
              "name": "Windows Server 2025 (Server Core installation) \u003c10.0.26100.4946",
              "product_id": "1"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.26100.4946",
            "product": {
              "name": "Windows Server 2025 (Server Core installation) 10.0.26100.4946",
              "product_id": "12437"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows Server 2025 (Server Core installation)"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.0.26100.4946",
            "product": {
              "name": "Windows Server 2025 \u003c10.0.26100.4946",
              "product_id": "2"
            }
          },
          {
            "category": "product_version",
            "name": "10.0.26100.4946",
            "product": {
              "name": "Windows Server 2025 10.0.26100.4946",
              "product_id": "12436"
            }
          }
        ],
        "category": "product_name",
        "name": "Windows Server 2025"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-53779",
      "cwe": {
        "id": "CWE-23",
        "name": "Relative Path Traversal"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "To successfully exploit this vulnerability, an attacker would need to have elevated access to certain attributes of the dMSA, specifically:\nmsds-groupMSAMembership: This attribute allows the user to utilize the dMSA., msds-ManagedAccountPrecededByLink: The attacker needs write access to this attribute, which allows them to specify a user that the dMSA can act on behalf of.",
          "title": "According to the CVSS metric, privileges required is high (PR:H). What does that mean for this vulnerability?"
        },
        {
          "category": "faq",
          "text": "An attacker who successfully exploited this vulnerability could gain domain administrator privileges.",
          "title": "What privileges could be gained by an attacker who successfully exploited the vulnerability?"
        }
      ],
      "product_status": {
        "fixed": [
          "12436",
          "12437"
        ],
        "known_affected": [
          "1",
          "2"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2025-53779 Windows Kerberos Elevation of Privilege Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53779"
        },
        {
          "category": "self",
          "summary": "CVE-2025-53779 Windows Kerberos Elevation of Privilege Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-53779.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-08-12T07:00:00.000Z",
          "details": "10.0.26100.4946:Security Update:https://support.microsoft.com/help/5063878",
          "product_ids": [
            "1",
            "2"
          ],
          "url": "https://support.microsoft.com/help/5063878"
        },
        {
          "category": "vendor_fix",
          "date": "2025-08-12T07:00:00.000Z",
          "details": "10.0.26100.4851:SecurityHotpatchUpdate:https://support.microsoft.com/help/5064010",
          "product_ids": [
            "1",
            "2"
          ],
          "url": "https://support.microsoft.com/help/5064010"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "FUNCTIONAL",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 6.7,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Elevation of Privilege"
        },
        {
          "category": "exploit_status",
          "details": "Publicly Disclosed:Yes;Exploited:No;Latest Software Release:Exploitation Less Likely"
        }
      ],
      "title": "Windows Kerberos Elevation of Privilege Vulnerability"
    }
  ]
}