{
  "fix": "WinRAR 6.23.0",
  "url": "https://patchblox.com/security/fix/windows-app/rarlab.winrar-6.23.0",
  "summary": "WinRAR 6.23.0, released August 2, 2023, fixes 2 CVEs in WinRAR. One of them is being exploited (CVE-2023-38831); 1 on CISA KEV. Patch Radar priority: Patch now. The latest WinRAR is 7.23.0, which also fixes every one of these CVEs.",
  "platform": "windows-app",
  "type": "app-version",
  "title": "WinRAR 6.23.0",
  "released": "2023-08-02T00:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2023-38831, exploited (CISA KEV, ransomware)",
  "supported": true,
  "cveCount": 2,
  "exploitedCveCount": 1,
  "kevCveCount": 1,
  "ransomwareCveCount": 1,
  "maxEpss": 0.99815,
  "maxCvss": 7.8,
  "appliesTo": [
    {
      "product": "WinRAR",
      "productUrl": "https://patchblox.com/security/product/windows-app/winrar",
      "fixedVersion": "6.23.0",
      "latestVersion": "7.23.0",
      "supported": true
    }
  ],
  "supersededBy": {
    "product": "WinRAR",
    "latestVersion": "7.23.0",
    "productUrl": "https://patchblox.com/security/product/windows-app/winrar"
  },
  "cves": [
    {
      "cveId": "CVE-2023-38831",
      "url": "https://patchblox.com/security/cve/CVE-2023-38831",
      "title": "RARLAB WinRAR Code Execution Vulnerability",
      "priority": "Patch now",
      "cvss": 7.8,
      "epss": 0.99815,
      "kev": true,
      "ransomware": true,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-40477",
      "url": "https://patchblox.com/security/cve/CVE-2023-40477",
      "title": "RARLAB WinRAR Recovery Volume Improper Validation of Array Index Remote Code Execution Vulnerability",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.8,
      "epss": 0.1062,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-12T07:53:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}