{
  "cveId": "CVE-2025-43520",
  "url": "https://patchblox.com/security/cve/CVE-2025-43520",
  "summary": "CVE-2025-43520 is fixed in 3 products on 1 platform, first by Sequoia 15.7.2, released November 3, 2025. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on March 20, 2026. Patch Radar priority: Patch now.",
  "title": "Kernel: A malicious application may be able to cause unexpected system termination or write kernel memory",
  "description": "A memory corruption issue was addressed with improved memory handling.",
  "published": "2025-11-03T00:00:00Z",
  "severity": "MEDIUM",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00425,
  "epssPercentile": 0.37038,
  "priority": "Patch now",
  "priorityTier": 1,
  "exploited": true,
  "vendorExploited": false,
  "disclosed": false,
  "kev": {
    "added": "2026-03-20T00:00:00Z",
    "due": "2026-04-03T00:00:00Z",
    "ransomware": false,
    "requiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable."
  },
  "vendorAdvisory": "https://support.apple.com/en-us/125634",
  "fixes": [
    {
      "platform": "macos",
      "product": "Sequoia",
      "fixedVersion": "15.7.2",
      "fix": "Sequoia 15.7.2",
      "url": "https://patchblox.com/security/fix/macos/sequoia-15.7.2",
      "released": "2025-11-03T00:00:00Z"
    },
    {
      "platform": "macos",
      "product": "Sonoma",
      "fixedVersion": "14.8.2",
      "fix": "Sonoma 14.8.2",
      "url": "https://patchblox.com/security/fix/macos/sonoma-14.8.2",
      "released": "2025-11-03T00:00:00Z"
    },
    {
      "platform": "macos",
      "product": "Tahoe",
      "fixedVersion": "26.1",
      "fix": "Tahoe 26.1",
      "url": "https://patchblox.com/security/fix/macos/tahoe-26.1",
      "released": "2025-11-03T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}