In Electron before versions 6.1.1, 7.2.4, 8.2.4, and 9.0.0-beta21, there is a context isolation bypass, meaning that 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. There are no app-side workarounds, you must update your Electron version to be protected. This is fixed in versions 6.1.1, 7.2.4, 8.2.4, and 9.0.0-beta21.
CVE-2020-15096
This medium-severity CVE scores 6.8 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 38% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.8
- EG Score
- 6.8(medium)
- EPSS
- 52.6%
- KEV
- Not listed
Published
July 7, 2020
Last Modified
November 21, 2024
References (4)
- security-advisories@githubhttps://github.com/electron/electron/security/advisories/GHSA-6vrv-94jv-crrg
- security-advisories@githubhttps://www.electronjs.org/releases/stable?page=3#release-notes-for-v824
- af854a3a-2127-422b-91ae-364da2661108https://github.com/electron/electron/security/advisories/GHSA-6vrv-94jv-crrg
- af854a3a-2127-422b-91ae-364da2661108https://www.electronjs.org/releases/stable?page=3#release-notes-for-v824
Affected Packages
(1 across 1 ecosystem)
npm(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| electron | — | 8.2.4 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 47× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:24 UTCEPSS rescore
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- 2026-05-27 01:37 UTCEG score recompute
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- 2026-05-26 07:17 UTCEPSS rescore
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Frequently asked(5)
What is CVE-2020-15096?
When was CVE-2020-15096 disclosed?
Is CVE-2020-15096 actively exploited?
What is the CVSS score of CVE-2020-15096?
How do I remediate CVE-2020-15096?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2020-15096
Is Your Infrastructure Affected by CVE-2020-15096?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.