CVE catalog
CVE-2026-34780
Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. From versions 39.0.0-alpha.1 to before 39.8.0, 40.0.0-alpha.1 to before 40.7.0, and 41.0.0-alpha
- Severity
- High · CVSS 8.3
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.33% · Oct 25, 2026
A flaw was found in Electron, a framework for building cross-platform desktop applications. An attacker capable of executing JavaScript in the main world, for instance through a cross-site scripting (XSS) vulnerability, could exploit this flaw. By passing VideoFrame objects from the WebCodecs API across the contextBridge, the attacker could bypass context isolation. This allows them to gain unauthorized access to the isolated world, including Node.js APIs exposed to the preload script, potentially leading to arbitrary code execution within the application. electron: Electron: Context Isolation bypass via VideoFrame object transfer The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | electron | Not reported | 39.8.0 | fixed |
| Cpe | electron | Not reported | 40.7.0 | fixed |
| Cpe | electron | Not reported | Not reported | unknown |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Cpe | electron | cpe | Not reported | 39.8.0 | Not reported | Not reported | Not reported |
| Cpe | electron | cpe | Not reported | 40.7.0 | Not reported | Not reported | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: