Is CVE-2020-4076 actively exploited?

CVE-2020-4076 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2020-4076?

CVE-2020-4076 has a CVSS score of 7.8 (HIGH severity). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N.

How do I patch CVE-2020-4076?

Patch guidance is available from electronjs security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2020-4076.

Fix CVE-2020-4076 - HIGH electronjs electron

Q: Which products are affected by CVE-2020-4076?

23 products: electronjs electron, electronjs electron, electronjs electron, electronjs electron, electronjs electron, and 18 more.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Attack Vector: local
Complexity: high
Privileges: none
User Action: none
Scope: changed
Confidentiality: high
Integrity: high
Availability: none
Weaknesses: CWE-501NVD-CWE-Other

Metadata

Primary Vendor: ELECTRONJS
Published: 7/7/2020
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

electronjs : electronelectronjs : electronelectronjs : electronelectronjs : electronelectronjs : electronelectronjs : electronelectronjs : electronelectronjs : electronelectronjs : electronelectronjs : electronelectronjs : electronelectronjs : electronelectronjs : electronelectronjs : electronelectronjs : electronelectronjs : electronelectronjs : electronelectronjs : electronelectronjs : electronelectronjs : electronelectronjs : electronelectronjs : electronelectronjs : electron

Remediation Guidance

Executive Summary

Cite this page

CVE-2020-4076. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2020-4076

View on NIST NVD

CVE-2020-4076 vulnerability