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CVE-2026-12003 CPython >3.11 Insecure Input Validation resulting in privilege escalation

🗓️ 16 Jun 2026 15:18:42Reported by PSFType 
cvelist
 cvelist
🔗 www.cve.org👁 2 Views

Privilege escalation in Python builds from VPATH landmark detection on Windows enabling in-tree installs.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-12003
16 Jun 202615:18
cve
EUVD
EUVD-2026-37125
16 Jun 202618:32
euvd
NVD
CVE-2026-12003
16 Jun 202617:16
nvd
Positive Technologies
PT-2026-49724
16 Jun 202600:00
ptsecurity
Vulnrichment
CVE-2026-12003 CPython >3.11 Insecure Input Validation resulting in privilege escalation
16 Jun 202615:18
vulnrichment
[
  {
    "defaultStatus": "unaffected",
    "product": "CPython",
    "repo": "https://github.com/python/cpython",
    "vendor": "Python Software Foundation",
    "versions": [
      {
        "version": "0",
        "lessThan": "3.15.0",
        "status": "affected",
        "versionType": "python"
      }
    ]
  }
]

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