High 8.8Published Apr 4, 2026

CVE-2026-34769Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS.

Updated under an hour ago (2026-10-19 06:50 UTC)

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It affects electronjs electron. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 38.8.6, 39.8.0, 40.7.0, and 41.0.0-beta.8, an undocumented commandLineSwitches webPreference allowed arbitrary switches to be appended to the renderer process command line. Apps that construct webPreferences by spreading untrusted configuration objects may inadvertently allow an attacker to inject switches that disable renderer sandboxing or web security controls. Apps are only affected if they construct webPreferences from external or untrusted input without an allowlist. Apps that use a fixed, hardcoded webPreferences object are not affected. This issue has been patched in versions 38.8.6, 39.8.0, 40.7.0, and 41.0.0-beta.8.

CVSS: 8.8 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-88, CWE-912
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jul 24, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

electronjs electron electronjs:electron	before 38.8.6; from 39.0.0 before 39.8.0; from 40.0.0 before 40.7.0; 41.0.0; 41.0.0; 41.0.0; 41.0.0; 41.0.0; and 8 more ranges	NVD

References

https://github.com/electron/electron/security/advisories/GHSA-9wfr-w7mm-pc7fvendor-advisory
https://access.redhat.com/security/cve/CVE-2026-34769
https://bugzilla.redhat.com/show_bug.cgi?id=2455004
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34769.json

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.