CVE-2026-34770 — Electron is a framework for writing cross-platform desktop applications using…
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🚨 CVE-2026-34770 Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 38.8.6, 39.8.1, 40.8.0, and 41.0.0-beta.8, apps that use the powerMonitor module may be vulnerable to a use-after-free.
Use-after-free in PowerMonitor on Windows and macOS
github.com
What This Means For You
- Affects Microsoft ecosystem — check your Windows/Azure environments.
- New vulnerability disclosed — verify if your stack is exposed.
- New tool or resource available — evaluate for your security workflow.
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-34770 | Use After Free | Electron framework versions prior to 38.8.6, 39.8.1, 40.8.0, and 41.0.0-beta.8. Vulnerability occurs when using the powerMonitor module, leading to dangling references to OS-level resources after garbage collection, potentially causing crashes or memory corruption upon session-change events (Windows) or system shutdown (macOS). |
| CVE-2026-34770 | Memory Corruption | Electron framework versions prior to 38.8.6, 39.8.1, 40.8.0, and 41.0.0-beta.8. Vulnerability occurs when using the powerMonitor module, leading to dangling references to OS-level resources after garbage collection, potentially causing crashes or memory corruption upon session-change events (Windows) or system shutdown (macOS). |
| CVE-2026-34770 | Misconfiguration | Electron framework versions prior to 38.8.6, 39.8.1, 40.8.0, and 41.0.0-beta.8. Apps accessing powerMonitor events (suspend, resume, lock-screen, etc.) are potentially affected due to improper handling of OS-level resources after garbage collection of the native PowerMonitor object. |
Source & Attribution
| Source Platform | Telegram |
| Channel | CVE Notify |
| Channel ID | 1129491012 |
| Message ID | 157949 |
| Published | April 04, 2026 at 03:26 UTC |
| Original Link | https://github.com/electron/electron/security/advisories/... |
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