{
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          "product": "Microsoft 365 Copilot",
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              ],
              "negate": false,
              "operator": "OR"
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          ]
        }
      ],
      "datePublic": "2026-09-17T14:00:00.000Z",
      "descriptions": [
        {
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      "metrics": [
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            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C",
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        }
      ],
      "problemTypes": [
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          "descriptions": [
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              "description": "CWE-732: Incorrect Permission Assignment for Critical Resource",
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      "providerMetadata": {
        "dateUpdated": "2026-09-17T23:04:48.423Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
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          "name": "M365 Copilot Information Disclosure Vulnerability",
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          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85887"
        }
      ],
      "tags": [
        "exclusively-hosted-service"
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      "title": "M365 Copilot Information Disclosure Vulnerability"
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  "cveMetadata": {
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    "assignerShortName": "microsoft",
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    "datePublished": "2026-09-17T23:04:48.423Z",
    "dateReserved": "2026-09-04T18:18:19.327Z",
    "dateUpdated": "2026-09-17T23:04:48.423Z",
    "state": "PUBLISHED"
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  "vulnerability-lookup:meta": {
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}