{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "<a href=\"https://x.com/m4x_1997\">Aobo Wang</a>"
        ]
      },
      {
        "names": [
          "<a href=\"https://www.linkedin.com/in/nguyen-hoang-quoc-an-009863267/\">kayiz</a> with <a href=\"http://lp.com.vn/\">Lien Phat Technology Corporation</a>"
        ]
      },
      {
        "names": [
          "<a href=\"https://www.linkedin.com/in/đức-nguyễn-văn-minh-19a925287/\">Nguyen Van Minh Duc</a> with <a href=\"https://saigonnewport.com.vn/\">Saigon Newport Corporation</a>"
        ]
      },
      {
        "names": [
          "<a href=\"https://www.linkedin.com/in/nguyen-hoang-quoc-an-009863267/\">Nguyen Hoang Quoc An</a> with <a href=\"https://lp.com.vn/\">Lien Phat Technology Corporation</a>"
        ]
      },
      {
        "names": [
          "Coşkun Bağrıa&#231;ık"
        ]
      },
      {
        "names": [
          "<a href=\"https://x.com/omarkhalil1138\">Omar Khaleel</a>"
        ]
      }
    ],
    "aggregate_severity": {
      "namespace": "https://www.microsoft.com/en-us/msrc/security-update-severity-rating-system",
      "text": "Important"
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    "category": "csaf_security_advisory",
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    "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-2026-70161 .NET Elevation of Privilege Vulnerability - HTML",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70161"
      },
      {
        "category": "self",
        "summary": "CVE-2026-70161 .NET Elevation of Privilege Vulnerability - CSAF",
        "url": "https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-70161.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": ".NET Elevation of Privilege Vulnerability",
    "tracking": {
      "current_release_date": "2026-10-27T07:00:00.000Z",
      "generator": {
        "date": "2026-11-10T20:33:14.052Z",
        "engine": {
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      "id": "msrc_CVE-2026-70161",
      "initial_release_date": "2026-10-13T07:00:00.000Z",
      "revision_history": [
        {
          "date": "2026-10-13T07:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2026-10-15T07:00:00.000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Updated the Security Updates table to add KB article links for .NET 11.0 and download and KB article links for Microsoft Visual Studio. This is an informational change only; the fixed builds are unchanged."
        },
        {
          "date": "2026-10-27T07:00:00.000Z",
          "legacy_version": "1.2",
          "number": "3",
          "summary": "Updated an acknowledgement. This is an informational change only."
        }
      ],
      "status": "final",
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    }
  },
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              },
              {
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                "name": "11.0.100-rc.2",
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              },
              {
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                "name": "9.0.319, 9.0.122",
                "product": {
                  "name": ".NET 9.0 runtime installed on Windows 9.0.319, 9.0.122",
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                  "product_id": "1"
                }
              },
              {
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                "name": "18.10.4",
                "product": {
                  "name": "Microsoft Visual Studio 2026 version 18.10 18.10.4",
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              {
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                "product": {
                  "name": "Microsoft Visual Studio 2022 version 17.14 17.14.42",
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              }
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            "name": "Microsoft Visual Studio 2022 version 17.14"
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        ],
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        "name": "Microsoft"
      }
    ]
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    {
      "cve": "CVE-2026-70161",
      "cwe": {
        "id": "CWE-22",
        "name": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "An attacker who successfully exploited this vulnerability could gain the privileges of the user account or service account running the affected process.",
          "title": "What privileges could be gained by an attacker who successfully exploited this vulnerability?"
        }
      ],
      "product_status": {
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          "16767",
          "20837",
          "21783",
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          "2",
          "3",
          "4",
          "5"
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          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70161"
        },
        {
          "category": "self",
          "summary": "CVE-2026-70161 .NET Elevation of Privilege Vulnerability - CSAF",
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        }
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          "date": "2026-10-13T07:00:00.000Z",
          "details": "11.0.100-rc.2:Security Update:https://github.com/dotnet/announcements/issues/453",
          "product_ids": [
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          ],
          "url": "https://github.com/dotnet/announcements/issues/453"
        },
        {
          "category": "vendor_fix",
          "date": "2026-10-13T07:00:00.000Z",
          "details": "9.0.319, 9.0.122:Security Update:https://support.microsoft.com/help/5130035",
          "product_ids": [
            "5"
          ],
          "url": "https://support.microsoft.com/help/5130035"
        },
        {
          "category": "vendor_fix",
          "date": "2026-10-13T07:00:00.000Z",
          "details": "10.0.402:Security Update:https://support.microsoft.com/help/5130036",
          "product_ids": [
            "3"
          ],
          "url": "https://support.microsoft.com/help/5130036"
        },
        {
          "category": "vendor_fix",
          "date": "2026-10-13T07:00:00.000Z",
          "details": "18.10.4:Security Update:https://learn.microsoft.com/en-us/visualstudio/releases/2026/release-notes",
          "product_ids": [
            "1"
          ],
          "url": "https://learn.microsoft.com/en-us/visualstudio/releases/2026/release-notes"
        },
        {
          "category": "vendor_fix",
          "date": "2026-10-13T07:00:00.000Z",
          "details": "17.14.42:Security Update:https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes",
          "product_ids": [
            "4"
          ],
          "url": "https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 6.4,
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
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            "2",
            "3",
            "4",
            "5"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Elevation of Privilege"
        },
        {
          "category": "exploit_status",
          "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"
        }
      ],
      "title": ".NET Elevation of Privilege Vulnerability"
    }
  ]
}