{"id":"CVE-2026-70598","state":"PUBLISHED","title":"Electron: Off-screen rendering trusts GPU-supplied geometry over shared-memory size","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.","publishedAt":"2026-08-05T15:27:24.392Z","updatedAt":"2026-08-05T18:15:50.518Z","severity":{"score":3.9,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:L","source":"GitHub_M"},"assigner":"GitHub_M","products":["electron electron"],"affected":[{"vendor":"electron","product":"electron","versions":[{"version":"< 39.8.10","status":"affected"},{"version":">= 40.0.0-alpha.1, < 40.9.0","status":"affected"},{"version":">= 41.0.0-alpha.1, < 41.2.1","status":"affected"},{"version":">= 42.0.0-alpha.1, < 42.0.0-beta.3","status":"affected"}]}],"references":["https://github.com/electron/electron/security/advisories/GHSA-pfmc-3mgc-p6fp","https://github.com/electron/electron/commit/2c24640e7b0b9c74fe9f44bce0fde138340ff4fb"],"weaknesses":["CWE-125"],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/70xxx/CVE-2026-70598.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-70598","state":"PUBLISHED","datePublished":"2026-08-05T15:27:24.392Z","dateUpdated":"2026-08-05T18:15:50.518Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-08-04T19:50:27.328Z"},"containers":{"cna":{"title":"Electron: Off-screen rendering trusts GPU-supplied geometry over shared-memory size","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"electron","product":"electron","versions":[{"version":"< 39.8.10","status":"affected"},{"version":">= 40.0.0-alpha.1, < 40.9.0","status":"affected"},{"version":">= 41.0.0-alpha.1, < 41.2.1","status":"affected"},{"version":">= 42.0.0-alpha.1, < 42.0.0-beta.3","status":"affected"}]}],"references":[{"url":"https://github.com/electron/electron/security/advisories/GHSA-pfmc-3mgc-p6fp","name":"https://github.com/electron/electron/security/advisories/GHSA-pfmc-3mgc-p6fp","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/electron/electron/commit/2c24640e7b0b9c74fe9f44bce0fde138340ff4fb","name":"https://github.com/electron/electron/commit/2c24640e7b0b9c74fe9f44bce0fde138340ff4fb","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":3.9,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","lang":"en","description":"CWE-125: Out-of-bounds Read","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-05T15:27:24.392Z"},"source":{"advisory":"GHSA-pfmc-3mgc-p6fp","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-05T18:15:41.871588Z","id":"CVE-2026-70598","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-05T18:15:50.518Z"}}]}}}