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GHSA-jjp3-mq3x-295m

HighCVSS 7 / 10

Published Apr 3, 2026·Last modified Apr 6, 2026

Affected Components(0)

No affected components available

Description

Impact

Apps that use the powerMonitor module may be vulnerable to a use-after-free. After the native PowerMonitor object is garbage-collected, the associated OS-level resources (a message window on Windows, a shutdown handler on macOS) retain dangling references. A subsequent session-change event (Windows) or system shutdown (macOS) dereferences freed memory, which may lead to a crash or memory corruption.

All apps that access powerMonitor events (suspend, resume, lock-screen, etc.) are potentially affected. The issue is not directly renderer-controllable.

Workarounds

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

Fixed Versions

41.0.0-beta.8
40.8.0
39.8.1
38.8.6

For more information

If there are any questions or comments about this advisory, please email security@electronjs.org

Risk Scores

Base Score

7.0

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 does not need any special privileges or access rights. 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

6.4

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

EPSS

0.24%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit

Not available

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

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High severity

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