CVE-2020-4076

CriticalCVSS 9.0/10Last modified Jun 17, 2026

Description

In Electron before versions 7.2.4, 8.2.4, and 9.0.0-beta21, there is a context isolation bypass. Code running in the main world context in the renderer can reach into the isolated Electron context and perform privileged actions. Apps using contextIsolation are affected. This is fixed in versions 9.0.0-beta.21, 8.2.4 and 7.2.4.

Metrics

CVSS 3.1 9.0/10CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jul 7, 2020
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2020-4076: Critical severity, CVSS 9.0 | Vulnix