CVE-2026-30332

High severity, CVSS 7.5. EPSS: 0.1% chance of exploitation in the next 30 days.

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.

Published 2026-04-02. Last modified 2026-07-24.