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Low severity · published Aug 5, 2026
CVE-2026-70598
Electron: Off-screen rendering trusts GPU-supplied geometry over shared-memory size
3.9
CVSS
0.1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:L
Attack vector
Local
Complexity
High
Privileges
High
User interaction
None
Confidentiality
Low
Integrity
None
Availability
Low
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EL
electron · 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 · source: vendor, NVD
Affected product
EL
electron
electron
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-70598
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-70598
Patch
https://github.com/electron/electron/commit/2c24640e7b0b9c74fe9f44bce0fde138340ff4fb
Vendor Advisory
https://github.com/electron/electron/security/advisories/GHSA-pfmc-3mgc-p6fp
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