CVE-2026-70598: Low severity npm/electron vulnerability

Published Aug 5, 2026
·
Updated

Impact In offscreen rendering mode, 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.

Apps are only affected if they use offscreen rendering (webPreferences.offscreen) and an attacker has separately gained code execution in the GPU process. Apps that do not use offscreen rendering are not affected.

Workarounds There are no app side workarounds, you must update to a patched version of Electron.

Fixed Versions 42.0.0-beta.3 41.2.1 40.9.0 39.8.10

For more information If you have any questions or comments about this advisory, email us at security@electronjs.org

Affected Software

4 affected componentsFixes available
npm/electron>=42.0.0-alpha.1<42.0.0-beta.3
42.0.0-beta.3
npm/electron>=41.0.0-alpha.1<41.2.1
41.2.1
npm/electron>=40.0.0-alpha.1<40.9.0
40.9.0
npm/electron<39.8.10
39.8.10

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade npm/electron to a version that resolves this vulnerability.

    Fixed in 42.0.0-beta.3
  2. Upgrade

    Upgrade npm/electron to a version that resolves this vulnerability.

    Fixed in 41.2.1
  3. Upgrade

    Upgrade npm/electron to a version that resolves this vulnerability.

    Fixed in 40.9.0
  4. Upgrade

    Upgrade npm/electron to a version that resolves this vulnerability.

    Fixed in 39.8.10
  5. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 39.8.10
  6. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 40.9.0
  7. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 41.2.1
  8. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 42.0.0-beta.3

Event History

Aug 5, 2026
Advisory Published
via GitHub·03:27 PM
Data Sourced
via GitHub·03:27 PM
DescriptionSeverityWeaknessAffected Software
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