Vulnerability Description
Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.10, 40.9.0, 41.2.1, and 42.0.0-beta.3, offscreen rendering frame data received from the GPU process was not fully validated by the main process. A compromised GPU process could cause the main process to read out-of-bounds memory while producing paint event images, disclosing memory or crashing the app. This issue is fixed in 39.8.10, 40.9.0, 41.2.1, and 42.0.0-beta.3.
CVSS Score
LOW
Related Weaknesses (CWE)
References
- https://github.com/electron/electron/commit/2c24640e7b0b9c74fe9f44bce0fde138340f
- https://github.com/electron/electron/security/advisories/GHSA-pfmc-3mgc-p6fp
FAQ
What is CVE-2026-70598?
CVE-2026-70598 is a vulnerability with a CVSS score of 3.9 (LOW). Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.10, 40.9.0, 41.2.1, and 42.0.0-beta.3, offscreen rendering frame data received fro...
How severe is CVE-2026-70598?
CVE-2026-70598 has been rated LOW with a CVSS base score of 3.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-70598?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.