{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "\u003ca href=\"https://github.com/dscheg\"\u003edscheg\u003c/a\u003e"
        ]
      }
    ],
    "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-2023-28290 Microsoft Remote Desktop app for Windows Information Disclosure Vulnerability - HTML",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-28290"
      },
      {
        "category": "self",
        "summary": "CVE-2023-28290 Microsoft Remote Desktop app for Windows Information Disclosure Vulnerability - CSAF",
        "url": "https://msrc.microsoft.com/csaf/advisories/2023/msrc_cve-2023-28290.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 Remote Desktop app for Windows Information Disclosure Vulnerability",
    "tracking": {
      "current_release_date": "2023-05-09T07:00:00.000Z",
      "generator": {
        "date": "2025-07-10T16:38:41.704Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2023-28290",
      "initial_release_date": "2023-05-09T07:00:00.000Z",
      "revision_history": [
        {
          "date": "2023-05-09T07:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.2.3006.0",
            "product": {
              "name": "Microsoft Remote Desktop \u003c10.2.3006.0",
              "product_id": "1"
            }
          },
          {
            "category": "product_version",
            "name": "10.2.3006.0",
            "product": {
              "name": "Microsoft Remote Desktop 10.2.3006.0",
              "product_id": "11850"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Remote Desktop"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-28290",
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "When an Microsoft Remote Desktop app for Windows client connects to the server and the user saves the self-signed certificate, the serial number is used to compare the certificate for future use. An attacker could swap out a forged certificate with the same serial number resulting in a machine-in-the-middle (MITM) attack.",
          "title": "How could an attacker exploit this vulnerability?"
        },
        {
          "category": "faq",
          "text": "An attacker who successfully exploited this vulnerability could recover plaintext from TLS-protected data.",
          "title": "What type of information could be disclosed by this vulnerability?"
        },
        {
          "category": "faq",
          "text": "The Microsoft Store will automatically update affected customers.\nIt is possible for customers to disable automatic updates for the Microsoft Store. The Microsoft Store will not automatically install this update for those customers. You can get the update through the store by following this guide: Get updates for apps and games in Microsoft Store. Be sure to select the tab for the operating system installed on your device to search for updates.",
          "title": "How do I get the update for a Windows App?"
        }
      ],
      "product_status": {
        "fixed": [
          "11850"
        ],
        "known_affected": [
          "1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2023-28290 Microsoft Remote Desktop app for Windows Information Disclosure Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-28290"
        },
        {
          "category": "self",
          "summary": "CVE-2023-28290 Microsoft Remote Desktop app for Windows Information Disclosure Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/csaf/advisories/2023/msrc_cve-2023-28290.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2023-05-09T07:00:00.000Z",
          "details": "10.2.3006.0:Security Update:https://learn.microsoft.com/en-us/azure/virtual-desktop/whats-new-client-microsoft-store",
          "product_ids": [
            "1"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/virtual-desktop/whats-new-client-microsoft-store"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 4.6,
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Information Disclosure"
        },
        {
          "category": "exploit_status",
          "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"
        }
      ],
      "title": "Microsoft Remote Desktop app for Windows Information Disclosure Vulnerability"
    }
  ]
}