Is electron affected by CVE-2026-34771?

npm electron is affected in =39.0.0-alpha.1 =40.0.0-alpha.1 =41.0.0-alpha.1 <41.0.0-beta.8.

Is CVE-2026-34771 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

high

CVE-2026-34771

Q: Is CVE-2026-34771 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

npm · electron

Summary

Electron: Use-after-free in WebContents fullscreen, pointer-lock, and keyboard-lock permission callbacks

Severity: high
EPSS: 0.3% (p20)
Also known as: GHSA-8337-3p73-46f4
Published: 2026-04-03

References

https://github.com/electron/electron/security/advisories/GHSA-8337-3p73-46f4
https://nvd.nist.gov/vuln/detail/CVE-2026-34771
https://github.com/electron/electron

Related advisories

CVE-2026-54257 — critical · npm/electron
CVE-2022-4135 — critical · npm/electron
CVE-2026-34780 — high · npm/electron
CVE-2026-34774 — high · npm/electron
CVE-2026-34770 — high · npm/electron
CVE-2026-34769 — high · npm/electron
CVE-2023-5217 — high · npm/electron
CVE-2026-34765 — medium · npm/electron

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.