{
  "cveId": "CVE-2026-42171",
  "url": "https://patchblox.com/security/cve/CVE-2026-42171",
  "summary": "CVE-2026-42171 is fixed in nsis on 1 platform by DEBIAN-CVE-2026-42171 (version 3.12-1), released April 24, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "nsis: NSIS (Nullsoft Scriptable Install System) 3.06.1 before 3.12 sometimes uses the Low IL temp directory when executing...",
  "description": "NSIS (Nullsoft Scriptable Install System) 3.06.1 before 3.12 sometimes uses the Low IL temp directory when executing as SYSTEM, allowing local attackers to gain privileges (if they can cause my_GetTempFileName to return 0, as shown in the references).",
  "published": "2026-04-24T22:16:01Z",
  "severity": "high",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "epss": 0.0021,
  "epssPercentile": 0.11196,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "nsis",
      "release": "Debian 14",
      "fixedVersion": "3.12-1",
      "fix": "DEBIAN-CVE-2026-42171",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-42171",
      "released": "2026-04-24T22:16:01Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}