How to Fix CVE-2026-30332: n/a (Bundle Sibling)
*By Sai Kiran Pandrala*
Last verified: 2026-05-25
| Severity | CVSS 7.5, High |
|---|---|
| Actively exploited? | No |
| Affected | n/a (n/a) |
| Fixed in | Same patched build as CVE-2026-25212 |
| Type (CWE) | n/a |
CVE-2026-30332 is a sibling vulnerability in the same the vendor n/a advisory bundle as CVE-2026-25212. The same patched build closes every CVE in the bundle, so the remediation procedure for CVE-2026-30332 matches the primary write-up.
What is different about CVE-2026-30332?
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.
Impact is consistent with the bundle: remote code execution on the affected system. The patched build closes every code path in the advisory in one update.
How to fix CVE-2026-30332
Apply the patched build per the primary write-up: How to Fix CVE-2026-25212.
For a quick check, confirm the running version of n/a:
# Confirm the installed version via your package manager
dpkg -l | grep -i n/a # Debian/Ubuntu
rpm -qa | grep -i n/a # RHEL/CentOS/Rocky
Frequently asked questions
Is CVE-2026-30332 being actively exploited?
Not at the time of writing. It is not listed in CISA's Known Exploited Vulnerabilities catalog. That status can change, so monitor the vendor advisory and the KEV catalog if the system is exposed.
How severe is CVE-2026-30332?
CVSS rates it 7.5 (High). Use that score to set your patch priority alongside the other items in your queue.
Do I have to take n/a offline to apply the patch?
It depends on the deployment. High-availability or clustered installs can usually patch one node at a time with no full outage. Standalone installs typically need a short restart. Always follow the vendor's documented upgrade steps.
What if my vulnerability scanner still flags CVE-2026-30332 after I patch?
Re-run the scan after a service restart, then confirm the scanner's plugin set is up to date. Some scanners detect by banner version only and lag the official fix metadata by a release.
References
- Official vendor advisory: https://github.com/balena-io/etcher/issues/4500
- NVD entry: https://nvd.nist.gov/vuln/detail/CVE-2026-30332
- CISA KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
- Primary write-up: How to Fix CVE-2026-25212
*Written by Sai Kiran Pandrala. Last verified 2026-05-25. Part of the the vendor n/a advisory bundle. Full procedure at how-to-fix-cve-2026-25212.*