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CVE-2026-30332

A Time-of-Check to Time-of-Use (TOCTOU) race condition vulnerability in Balena Etcher for Windows prior to v2.1.4 allows attackers to escala

Published
Last modified
published
Not listed in CISA KEV
1 proof of concept on GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: total

Summary

A Time-of-Check to Time-of-Use (TOCTOU) race condition vulnerability in Balena Etcher for Windows prior to v2.1.4 allows attackers to escalate privileges and execute arbitrary code via replacing a legitimate script with a crafted payload during the flashing process.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • n/a n/a

    Version range not reported

References 3

GitHub · balena-io/etcher

balena.io

GitHub · B1tBreaker/CVE-2026-30332