{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "\u003ca href=\"https://www.linkedin.com/in/hay-mizrachi/\"\u003eHay Mizrachi\u003c/a\u003e with \u003ca href=\"https://microsoft.com/\"\u003eMicrosoft\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-2026-21528 Azure IoT Explorer Information Disclosure Vulnerability - HTML",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21528"
      },
      {
        "category": "self",
        "summary": "CVE-2026-21528 Azure IoT Explorer Information Disclosure Vulnerability - CSAF",
        "url": "https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-21528.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": "Azure IoT Explorer Information Disclosure Vulnerability",
    "tracking": {
      "current_release_date": "2026-02-10T00:00:00.000Z",
      "generator": {
        "date": "2026-02-13T20:11:29.928Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2026-21528",
      "initial_release_date": "2026-02-10T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2026-02-10T00:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c0.15.13",
            "product": {
              "name": "Azure IoT Explorer \u003c0.15.13",
              "product_id": "1"
            }
          },
          {
            "category": "product_version",
            "name": "0.15.13",
            "product": {
              "name": "Azure IoT Explorer 0.15.13",
              "product_id": "20852"
            }
          }
        ],
        "category": "product_name",
        "name": "Azure IoT Explorer"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-21528",
      "cwe": {
        "id": "CWE-1327",
        "name": "Binding to an Unrestricted IP Address"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "The type of information that could be disclosed if an attacker successfully exploited this vulnerability includes the contents of the user\u2019s local file system, folders or potentially cloud access credentials associated with the system.",
          "title": "What type of information could be disclosed by this vulnerability?"
        },
        {
          "category": "faq",
          "text": "An attacker who successfully exploited the vulnerability could view some sensitive information (Confidentiality), make changes to disclosed information (Integrity), but cannot limit access to the resource (Availability).",
          "title": "According to the CVSS metrics, successful exploitation of this vulnerability could lead to some loss of confidentiality (C:L), and integrity (I:L) but lead to no loss of availability (A:N). What is the impact of this vulnerability?"
        }
      ],
      "product_status": {
        "fixed": [
          "20852"
        ],
        "known_affected": [
          "1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-21528 Azure IoT Explorer Information Disclosure Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21528"
        },
        {
          "category": "self",
          "summary": "CVE-2026-21528 Azure IoT Explorer Information Disclosure Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-21528.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-02-10T00:00:00.000Z",
          "details": "0.15.13:Source Code (zip):https://github.com/Azure/azure-iot-explorer/releases/tag/v0.15.13",
          "product_ids": [
            "1"
          ],
          "url": "https://github.com/Azure/azure-iot-explorer/releases/tag/v0.15.13"
        },
        {
          "category": "vendor_fix",
          "date": "2026-02-10T00:00:00.000Z",
          "details": "0.15.13:Source Code (tar.gz):https://github.com/Azure/azure-iot-explorer/releases/tag/v0.15.13",
          "product_ids": [
            "1"
          ],
          "url": "https://github.com/Azure/azure-iot-explorer/releases/tag/v0.15.13"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 5.7,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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 Unlikely"
        }
      ],
      "title": "Azure IoT Explorer Information Disclosure Vulnerability"
    }
  ]
}