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CVE-2026-34781

2.8 · LOW

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS.

Published Apr 7, 2026CWE-476EPSS 0.14%

Overview

CVE-2026-34781 is a low-severity vulnerability. It was published on April 7, 2026 and has a CVSS 3.1 base score of 2.8 (LOW).

This vulnerability has a CVSS 3.1 base score of 2.8, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.5, 40.8.5, 41.1.0, and 42.0.0-alpha.5, apps that call clipboard.readImage() may be vulnerable to a denial of service. If the system clipboard contains image data that fails to decode, the resulting null bitmap is passed unchecked to image construction, triggering a controlled abort and crashing the process. Apps are only affected if they call clipboard.readImage(). Apps that do not read images from the clipboard are not affected. This issue does not allow memory corruption or code execution. This vulnerability is fixed in 39.8.5, 40.8.5, 41.1.0, and 42.0.0-alpha.5.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/electron/electron/security/advisories/GHSA-f37v-82c4-4x64

How CyberStrike helps

Frequently asked questions

What is CVE-2026-34781?

CVE-2026-34781 is a low-severity vulnerability. It was published on April 7, 2026 and has a CVSS 3.1 base score of 2.8 (LOW).

How severe is CVE-2026-34781?

This vulnerability has a CVSS 3.1 base score of 2.8, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-34781?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-34781?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-34781 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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