B1tBreaker/CVE-2026-30332

B1tBreaker/CVE-2026-30332

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Balena Etcher versions prior to v2.1.4 on Windows are affected by a Time-of-Check to Time-of-Use (TOCTOU) race condition in the temporary file handling.
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CVE History

CVEPublishedCVSS v3CVSS v2
CVE-2026-30332↗
7.5 HIGH—

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.