CVE-2026-30332

HIGH EPSS 6.5%
Published Apr 2, 20262mo ago · Modified Jun 17, 20261w ago
7.5 CVSS 3.1
High
Find Similar
Published Apr 2, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
7.5
Exploitability
0.8
Impact
6.0
Vector string
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Attack Vector Local
Attack Complexity High
Privileges Required Low
User Interaction Required
Scope Changed
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
6.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-367

References 3

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.