{
  "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-2026-65675 CoPilot Chat Security Feature Bypass Vulnerability - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-65675.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": "CoPilot Chat Security Feature Bypass Vulnerability",
    "tracking": {
      "current_release_date": "2026-09-24T07:00:00.000Z",
      "generator": {
        "date": "2026-09-25T19:35:13.935Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2026-65675",
      "initial_release_date": "2026-08-11T07:00:00.000Z",
      "revision_history": [
        {
          "date": "2026-08-11T07:00:00.000Z",
          "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": "2026-09-02T07:00:00.000Z",
          "legacy_version": "1.2",
          "number": "3",
          "summary": "Affected software updated with new package information."
        },
        {
          "date": "2026-09-24T07:00:00.000Z",
          "legacy_version": "1.3",
          "number": "4",
          "summary": "Updated the fixed version information and download link. The fix was previously believed to be included in Dynamics 365 Server (on-premises) version 6.2; however, it has been confirmed that the fix is included in Dynamics 365 Server v9.1 (on-premises) Update 1.45 (version 9.1.0045.0011). The download link, release notes, and build number has been updated accordingly in the Security Updates table. This is an informational change only."
        }
      ],
      "status": "final",
      "version": "4"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "<1.132.1",
                "product": {
                  "name": "Microsoft Visual Studio Code CoPilot Chat Extension <1.132.1",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version",
                "name": "1.132.1",
                "product": {
                  "name": "Microsoft Visual Studio Code CoPilot Chat Extension 1.132.1",
                  "product_id": "16782"
                }
              }
            ],
            "category": "product_name",
            "name": "Microsoft Visual Studio Code CoPilot Chat Extension"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-65675",
      "cwe": {
        "id": "CWE-862",
        "name": "Missing Authorization"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "16782"
        ],
        "known_affected": [
          "1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-65675 CoPilot Chat Security Feature Bypass Vulnerability - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-65675.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-08-11T07:00:00.000Z",
          "details": "1.132.1:Security Update:https://code.visualstudio.com/updates/v1_132",
          "product_ids": [
            "1"
          ],
          "url": "https://code.visualstudio.com/updates/v1_132"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 6.2,
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1"
          ]
        }
      ],
      "title": "CoPilot Chat Security Feature Bypass Vulnerability"
    }
  ]
}