{
  "id": "cve-2025-21391",
  "cveID": "CVE-2025-21391",
  "vendor": "Microsoft",
  "product": "Windows",
  "vulnerabilityName": "Microsoft Windows Storage Link Following Vulnerability",
  "shortDescription": "Microsoft Windows Storage contains a link following vulnerability that could allow for privilege escalation. This vulnerability could allow an attacker to delete data including data that results in the service being unavailable.",
  "requiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
  "dateAdded": "2025-02-11",
  "dueDate": "2025-03-04",
  "knownRansomware": false,
  "cwes": [
    "CWE-59"
  ],
  "notes": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21391 ; https://nvd.nist.gov/vuln/detail/CVE-2025-21391",
  "sources": [
    {
      "label": "NVD",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-21391"
    },
    {
      "label": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog"
    },
    {
      "label": "msrc.microsoft.com",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21391"
    },
    {
      "label": "nvd.nist.gov",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-21391"
    }
  ],
  "cvss": {
    "score": 7.1,
    "severity": "HIGH",
    "version": "3.1",
    "vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H"
  },
  "epss": {
    "score": 0.02303,
    "percentile": 0.82299
  },
  "timeline": [
    {
      "date": "2025-02-11",
      "event": "Added to the CISA KEV catalog"
    },
    {
      "date": "2025-03-04",
      "event": "CISA remediation due date (BOD 22-01)"
    }
  ],
  "status": "past due"
}