Security incident · CVE-2026-114124
Electron: Off-screen rendering on macOS trusts GPU-supplied frame geometry
Published Oct 22, 2026 · catalog updated Oct 22, 2026 · Electron: Off-screen rendering on
Last checked Nov 3, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2026-114124. EPSS is 0.18%. Act only if a listed version of Electron: Off-screen rendering on is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (Electron: Off-screen rendering on).
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Low3.9
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.18%
- Remediation
- Version ranges on file
- Affected products
- npm electron · package npm
### Impact In offscreen rendering mode on macOS, 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 event images, disclosing memory or crashing the app. GHSA-pfmc-3mgc-p6fp covers the same issue on the other capture paths. Apps are only affected if they use offscreen rendering ( ) on macOS and an attacker has separately gained code execution in the GPU process. Apps that do not use offscreen rendering are not affected. ### Workarounds There are no app side workarounds, you must update to a patched version of Electron. ### Fixed Versions * * * * ### For more information If you have any questions or comments about this advisory, email us at [security@electronjs.org](mailto:security@electronjs.org)
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- npm electron< 42.11.6
- npm electron>= 43.0.0-alpha.1, < 43.7.3
- npm electron>= 44.0.0-alpha.1, < 44.4.3
- npm electron>= 45.0.0-alpha.1, < 45.0.0-alpha.9
- package npmversion unspecified
How to fix CVE-2026-114124
Upgrade
CVE-2026-114124 lists a fix boundary at 42.11.6. Compare the installed build with that boundary before you change production.
Version check
Affected < 42.11.6
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-114124. EPSS is 0.18%. Act only if a listed version of Electron: Off-screen rendering on is installed.
Which versions are affected?
Compare what you have installed with < 42.11.6, >= 43.0.0-alpha.1, < 43.7.3, >= 44.0.0-alpha.1, < 44.4.3, >= 45.0.0-alpha.1, < 45.0.0-alpha.9. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-125: Out-of-bounds Read. EPSS 0.18%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Oct 22, 2026 · GitHub Advisory Database
Detected
### Impact In offscreen rendering mode on macOS, 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 event images, disclosing memory or crashing the app. GHSA-pfmc-3mgc-p6fp covers the same issue on the other capture paths. Apps are only affected if they use offscre
Oct 22, 2026 · GitHub Advisory Database
Updated
### Impact In offscreen rendering mode on macOS, 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 event images, disclosing memory or crashing the app. GHSA-pfmc-3mgc-p6fp covers the same issue on the other capture paths. Apps are only affected if they use offscre
Sources
- CVE.orgVulnerability recordCVE-2026-114124
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-114124
30-day exploitation probability 0.18%
first.org - GitHub Advisory DatabasePackage advisoryGHSA-h3v5-h239-pg29
Electron: Off-screen rendering on macOS trusts GPU-supplied frame geometry
github.com - GitLab Advisory DatabasePackage advisoryCVE-2026-114124
In offscreen rendering mode on macOS, 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. GHSA-pfmc-3mgc-p6fp covers the same issue on the other capture paths. Apps are only affected if they use offscreen re
advisories.gitlab.com - Snyk Vulnerability DatabasePackage advisorySNYK-JS-ELECTRON-21431572
Out-of-bounds Read
security.snyk.io
References
Freshness
Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSNov 3, 2026
- Snyk Vulnerability DatabaseOct 25, 2026
- GitHub Advisory DatabaseOct 23, 2026
- GitLab Advisory DatabaseOct 23, 2026
- CVE.orgOct 23, 2026