--- title: "CVE-2026-102674: Electron - Broken Access Control" description: "Electron < 41.10.6, 42.9.2, 43.4.1, and 44.0.0-beta.5 contains a broken access control caused by sandboxed top-level documents not inheriting active HTML sandbox restrictions, letting untrusted content create windows with full application origin, exploit requires ability to open popups." url: https://panop.io/threat-heartbeat/CVE-2026-102674/ --- # CVE-2026-102674 Electron - Broken Access Control Electron < 41.10.6, 42.9.2, 43.4.1, and 44.0.0-beta.5 contains a broken access control caused by sandboxed top-level documents not inheriting active HTML sandbox restrictions, letting untrusted content create windows with full application origin, exploit requires ability to open popups. CVSS base score 8.2 /10 High CISA KEV Not listed Public exploit None known Authentication Not required EPSS 0.27% chance of exploitation in 30 days [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-102674) ## Details Type Broken Access Control Impact Broken Access Control CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N Published 29 September 2026 Updated 15 October 2026 Weakness [CWE-266](https://cwe.mitre.org/data/definitions/266.html) ## Vendor fix Update to versions 41.10.6, 42.9.2, 43.4.1, 44.0.0-beta.5 or later. Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them. ## References - [https://nvd.nist.gov/vuln/detail/CVE-2026-102674](https://nvd.nist.gov/vuln/detail/CVE-2026-102674) - [https://github.com/electron/electron/commit/3ecf3e74f4be6e2360644679b0b4698742be0e1d](https://github.com/electron/electron/commit/3ecf3e74f4be6e2360644679b0b4698742be0e1d) - [https://github.com/electron/electron/commit/6594d5a5b074cf501da084dc7908d3df0d68a886](https://github.com/electron/electron/commit/6594d5a5b074cf501da084dc7908d3df0d68a886) - [https://github.com/electron/electron/commit/e9c4d3cbe912e18d7c63af78e63e98ae7a48cd3a](https://github.com/electron/electron/commit/e9c4d3cbe912e18d7c63af78e63e98ae7a48cd3a) - [https://github.com/electron/electron/releases/tag/v42.9.2](https://github.com/electron/electron/releases/tag/v42.9.2) - [https://github.com/electron/electron/releases/tag/v43.4.1](https://github.com/electron/electron/releases/tag/v43.4.1) - [https://github.com/electron/electron/releases/tag/v44.0.0-beta.5](https://github.com/electron/electron/releases/tag/v44.0.0-beta.5) - [https://github.com/electron/electron/security/advisories/GHSA-gr2m-v5gq-v685](https://github.com/electron/electron/security/advisories/GHSA-gr2m-v5gq-v685) - [https://github.com/electron/electron/commit/29fc130569f970e91e355383821a4af0f25724a2](https://github.com/electron/electron/commit/29fc130569f970e91e355383821a4af0f25724a2) - [https://github.com/electron/electron/releases/tag/v41.10.6](https://github.com/electron/electron/releases/tag/v41.10.6) [← All CVEs](https://panop.io/threat-heartbeat/) ## What this record can't tell you - Whether you run the affected software, and where - Whether an attacker can actually reach and exploit it - The misconfigurations that never get a CVE number - What it would cost the business, ranked into what to fix first Panop answers these inside your environment, for this CVE and every other finding. [Book a demo](https://panop.io/demo)