CVE-2026-30332 Race condition in n/a
Attackers can escalate privileges and execute arbitrary code by replacing a script during the flashing process in Balena Etcher for Windows.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-30332?
CVE-2026-30332 is a high-severity vulnerability in n/a, published on 2 Apr 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-367
Which versions are affected by CVE-2026-30332?
How do I fix CVE-2026-30332?
No fix has been published for CVE-2026-30332 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-30332 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-30332 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-q22r-qqx4-x7hq.