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Vulnerabilities CVE-2026-70598

CVE-2026-70598

Low
Open
TLP:CLEAR

Electron: Off-screen rendering trusts GPU-supplied geometry over shared-memory size

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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.

Details

CVSS Score
3.9
EPSS Score
0.10%

1th percentile

CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:L
Confidence
90%
Published
Aug 5, 2026
Last Modified
Aug 5, 2026
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