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GHSA-vv43-5jgx-7qv8

MediumCVSS 6.7 / 10
Published Sep 29, 2026·Last modified Sep 29, 2026
Affected Components(3)
npm logoelectron
40.0.0-alpha.1 – 41.10.5
npm logoelectron
< 39.8.10
npm logoelectron
42.0.0-alpha.1 – 42.0.0-beta.2
Description

Impact

On macOS, Electron bundles the Squirrel.Mac auto-update framework, whose privileged ShipIt helper performs the final step of an update as root. A local attacker could cause that helper to overwrite a different application's files, as root, instead of the app that started the update. Exploitation requires local access to the machine.

Apps are only affected on macOS if they ship Squirrel.Mac-based auto-updates. Apps on other platforms, or that do not use Squirrel.Mac auto-updates, 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.2
  • 41.10.5
  • 39.8.10

For more information

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

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Risk Scores
Base Score
6.7

The vulnerability requires local access to the device to be exploited. It is difficult for an attacker to exploit this vulnerability and may require special conditions. An attacker needs basic access or low-level privileges. The attacker needs the user to perform some action, like clicking a link. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data. There is a high impact on the availability of the system.

Threat Intelligence
6.1

Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.

EPSS
N/A

Probability that this vulnerability will be exploited in the wild within the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

Related Vulnerabilities
  • CVE-2026-102672
    Alias

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