CVE-2026-30332

Name: CVE-2026-30332
Creator: NVD / NIST
Published: 2026-04-02T16:16:22.05+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.17%

Last modified Jun 17, 2026

This CVE is reserved or awaiting analysis. Details will appear once published by NVD.

Description

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H

EPSS Probability

0.17%

6.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-367

References

https://github.com/B1tBreaker/CVE-2026-30332
https://github.com/balena-io/etcher/issues/4500
https://www.balena.io/security

Timeline

Published: Apr 2, 2026
Last Modified: Jun 17, 2026
Status: Awaiting Analysis

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Source: NVD / NIST