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Fencer Vulns
low 3.9

CVE-2026-70598 json

Electron: Off-screen rendering trusts GPU-supplied geometry over shared-memory size

published 2026-08-05 3 mo ago modified 2026-10-08 32 d ago also EUVD-2026-53420 , GHSA-pfmc-3mgc-p6fp

cvss
3.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.1%
EPSS 0.1% chance of exploitation in 30 days, percentile 3%
public exploits
0
none known

Summary

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.10, 40.9.0, 41.2.1, and 42.0.0-beta.3, offscreen rendering frame data received from the GPU process was not fully validated by the main process. A compromised GPU process could cause the main process to read out-of-bounds memory while producing paint event images, disclosing memory or crashing the app. This issue is fixed in 39.8.10, 40.9.0, 41.2.1, and 42.0.0-beta.3.

Patch / fix

  • npm electron 39.8.10, 40.9.0, 41.2.1, 42.0.0-beta.3
  • atom electron 39.8.10, 40.9.0, 41.2.1, 42.0.0-beta.3
  • electronjs electron 39.8.10, 40.9.0, 41.2.1, 42.0.0-beta.3

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
3 mo ago

Exploit prediction

0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 3.9 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:L
GitHub 3.1 3.9 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:L

Affected packages

ecosystem package affected fixed in
npm electron
<39.8.10
>=40.0.0-alpha.1, <40.9.0
>=41.0.0-alpha.1, <41.2.1
>=42.0.0-alpha.1, <42.0.0-beta.3
39.8.10
40.9.0
41.2.1
42.0.0-beta.3

Affected products

  • electron electron

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.