Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV N L N R U N L N 4.3 .0018 6.9 —
AFFECTED Product Versions Fixed electron < 39.8.8 – —
TIMELINE Aug 4 Reserved by GitHub_M Aug 5 Published (CNA: GitHub_M) Oct 8 RESCORED — CVE-2026-70600 (electron). CVSS 3.1 → 4.3 (NVD).
Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.8, 40.9.0, 41.2.1, and 42.0.0-beta.3, the native autofill popup could be positioned by a cross-origin iframe outside that iframe's bounds, over the embedding page's UI, enabling clickjacking or spoofing of trusted UI. Apps are only affected if they embed untrusted content in iframes within windows that also display trusted UI. Apps that do not embed untrusted third-party content are not affected. This issue is fixed in versions 39.8.8, 40.9.0, 41.2.1, and 42.0.0-beta.3.
| Date | Event | Detail |
|---|---|---|
| August 4, 2026 | Reserved | Reserved by GitHub_M |
| August 5, 2026 | Published | Published (CNA: GitHub_M) |
| October 8, 2026 | RESCORED | RESCORED — CVE-2026-70600 (electron). CVSS 3.1 → 4.3 (NVD). |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| electron | electron | — | < 39.8.8 | — |
Authoritative record: CVE-2026-70600 at cve.org
Vendors: electron
Weaknesses: CWE-1021
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-70600 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
