CVE Catalog

CVE-2026-30332

HighCVSS 7.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.17%

7th percentile - higher than 7% of all known CVEs

Summary

Balena Etcher for Windows prior to version 2.1.4 has a TOCTOU race condition vulnerability that allows attackers to escalate privileges and execute arbitrary code by replacing a legitimate script with a crafted payload during the flashing process.

Risk Assessment

An attacker can gain elevated privileges and take control of the Windows system while creating bootable media.

Recommendation

Update Balena Etcher to version 2.1.4 or later.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS