Vulnerability in Electron

CVE-2026-70608

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.10, 41.10.3, and 42.0.1, a sandboxed iframe without the allow-popups keyword could still open a new window or trigger set…

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

  • Electron — versions < 39.8.10, >= 40.0.0-alpha.1, < 41.10.3, >= 42.0.0-alpha.1, < 42.0.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-70608?
CVE-2026-70608 is a high-severity vulnerability in Electron, classified under Protection Mechanism Failure. CVSS score: 7.2/10. Published 2026-08-05.
How severe is CVE-2026-70608?
High severity. CVSS v3 base score is 7.2 out of 10.