High severity7.8NVD Advisory· Published Jul 7, 2020· Updated Jun 17, 2026
CVE-2020-4076
CVE-2020-4076
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
electronnpm | < 7.2.4 | 7.2.4 |
electronnpm | >= 8.0.0, < 8.2.4 | 8.2.4 |
Affected products
24>= 9.0.0-beta.0, <= 9.0.0-beta.20+ 22 more
- (no CPE)range: >= 9.0.0-beta.0, <= 9.0.0-beta.20
- cpe:2.3:a:electronjs:electron:*:*:*:*:*:*:*:*range: >=7.0.0,<7.2.4
- cpe:2.3:a:electronjs:electron:9.0.0:-:*:*:*:*:*:*
- cpe:2.3:a:electronjs:electron:9.0.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:electronjs:electron:9.0.0:beta10:*:*:*:*:*:*
- cpe:2.3:a:electronjs:electron:9.0.0:beta11:*:*:*:*:*:*
- cpe:2.3:a:electronjs:electron:9.0.0:beta12:*:*:*:*:*:*
- cpe:2.3:a:electronjs:electron:9.0.0:beta13:*:*:*:*:*:*
- cpe:2.3:a:electronjs:electron:9.0.0:beta14:*:*:*:*:*:*
- cpe:2.3:a:electronjs:electron:9.0.0:beta15:*:*:*:*:*:*
- cpe:2.3:a:electronjs:electron:9.0.0:beta16:*:*:*:*:*:*
- cpe:2.3:a:electronjs:electron:9.0.0:beta17:*:*:*:*:*:*
- cpe:2.3:a:electronjs:electron:9.0.0:beta18:*:*:*:*:*:*
- cpe:2.3:a:electronjs:electron:9.0.0:beta19:*:*:*:*:*:*
- cpe:2.3:a:electronjs:electron:9.0.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:electronjs:electron:9.0.0:beta20:*:*:*:*:*:*
- cpe:2.3:a:electronjs:electron:9.0.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:electronjs:electron:9.0.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:electronjs:electron:9.0.0:beta5:*:*:*:*:*:*
- cpe:2.3:a:electronjs:electron:9.0.0:beta6:*:*:*:*:*:*
- cpe:2.3:a:electronjs:electron:9.0.0:beta7:*:*:*:*:*:*
- cpe:2.3:a:electronjs:electron:9.0.0:beta8:*:*:*:*:*:*
- cpe:2.3:a:electronjs:electron:9.0.0:beta9:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
4- github.com/advisories/GHSA-m93v-9qjc-3g79ghsaADVISORY
- github.com/electron/electron/security/advisories/GHSA-m93v-9qjc-3g79nvdThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2020-4076ghsaADVISORY
- www.electronjs.org/releases/stablenvdRelease NotesVendor AdvisoryWEB
News mentions
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