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CVE-2026-42171

🗓️ 24 Apr 2026 21:20:35Reported by mitreType 
cve
 cve
🔗 web.nvd.nist.gov👁 9 Views

NSIS before 3.12 runs as SYSTEM in a low temp directory, enabling local privilege escalation if my_GetTempFileName returns 0.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-42171
24 Apr 202621:20
attackerkb
Circl
CVE-2026-42171
24 Apr 202622:59
circl
CNNVD
NSIS 代码问题漏洞
24 Apr 202600:00
cnnvd
Cvelist
CVE-2026-42171
24 Apr 202621:20
cvelist
Debian CVE
CVE-2026-42171
24 Apr 202621:20
debiancve
EUVD
EUVD-2026-25637
24 Apr 202621:20
euvd
NVD
CVE-2026-42171
24 Apr 202622:16
nvd
OSV
DEBIAN-CVE-2026-42171
24 Apr 202622:16
osv
OSV
UBUNTU-CVE-2026-42171
24 Apr 202622:16
osv
Positive Technologies
PT-2026-35088
24 Apr 202600:00
ptsecurity
Rows per page
NVD
Vulners
CNA
[
  {
    "defaultStatus": "unaffected",
    "product": "Nullsoft Scriptable Install System",
    "vendor": "Nullsoft",
    "versions": [
      {
        "lessThan": "3.12",
        "status": "affected",
        "version": "3.06.1",
        "versionType": "custom"
      }
    ]
  }
]

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18 May 2026 14:33Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.17.8
EPSS0.00007
SSVC
9