Vulnerability in Electron

CVE-2026-70597

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.8, 40.9.0, 41.2.1, and 42.0.0-beta.3, the check Electron uses on macOS to confirm it was launched by a same-signed parent…

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

  • Electron — versions < 39.8.8, >= 40.0.0-alpha.1, < 40.9.0, >= 41.0.0-alpha.1, < 41.2.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-70597?
CVE-2026-70597 is a medium-severity vulnerability in Electron, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 6.3/10. Published 2026-08-05.
How severe is CVE-2026-70597?
Medium severity. CVSS v3 base score is 6.3 out of 10.