CVE-2026-34764: Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS

Q: How do I fix CVE-2026-34764?

electron: upgrade to 39.8.5, 40.8.5, 41.1.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-34764 being exploited?

CVE-2026-34764 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-34764 affect?

CVE-2026-34764 affects electron. Severity is low (CVSS 2.3). Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. From 33.0.0-alpha.1 to before 39.8.5, 40.8.5, 41.1.0, and 42.0.0-alpha.5, apps that use offscreen rendering with GPU shared textures may

Q: How urgent is CVE-2026-34764?

Priority 8/100. No elevated risk signals yet.

Routine

LOW 2.3UPGRADE

CVE-2026-34764 is a low-severity flaw (CVSS 2.3) affecting electron. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. From 33.0.0-alpha.1 to before 39.8.5, 40.8.5, 41.1.0, and 42.0.0-alpha.5, apps that use offscreen rendering with GPU shared textures may be vulnerable to a use-after-free. Under certain conditions, the release() callback provided on a paint event texture can outlive its backing native state, and invoking it after that point dereferences freed m

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	2.3 (Low)
Attack vector	Local
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.1% (top 99%)
CISA exploited list	No
Weakness	CWE-416
Published	2026-04-06
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: electronjs

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-06 16:16 UTCPublished CVE record published
2026-06-17 10:39 UTCUpdated Record last modified

electronjs electron UPGRADE

Affected: >= 33.0.0 and < 39.8.5 · >= 40.0.0 and < 40.8.5 · >= 41.0.0 and < 41.1.0 · 42.0.0 alpha1 · 42.0.0 alpha2 · 42.0.0 alpha3 · 42.0.0 alpha4

Fixed in: 39.8.5, 40.8.5, 41.1.0

Safe to downgrade to: a release before 33.0.0

1. Check installed version

npm ls electron

2. UPGRADE to 39.8.5

npm install electron@">=39.8.5"

3. If no update is available yet, DOWNGRADE to a release before 33.0.0

npm view electron versions npm install electron@"<33.0.0"

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-34764?

electron: upgrade to 39.8.5, 40.8.5, 41.1.0. Exact commands for each OS are on this page.

Is CVE-2026-34764 being exploited?

CVE-2026-34764 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-34764 affect?

CVE-2026-34764 affects electron. Severity is low (CVSS 2.3). Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. From 33.0.0-alpha.1 to before 39.8.5, 40.8.5, 41.1.0, and 42.0.0-alpha.5, apps that use offscreen rendering with GPU shared textures may

How urgent is CVE-2026-34764?

Priority 8/100. No elevated risk signals yet.

Software pages

Electron vulnerabilities

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References

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