FKIE_CVE-2026-102677

Vulnerability from fkie_nvd - Published: 2026-09-29 18:17 - Updated: 2026-10-08 20:24
Severity
7.8 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
8.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Summary
Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. From 42.3.3 until 42.10.0, 43.5.0, and 44.0.0-beta.6, Electron's sandboxed preload code cache did not verify that a cached entry matched the preload it was served for. A compromised renderer could write attacker-controlled cache data and cause Electron to reuse it for a later load, executing the renderer's code in the more privileged preload context. The issue affects applications that load untrusted content. This issue is fixed in versions 42.10.0, 43.5.0, and 44.0.0-beta.6.
References
security-advisories@github.comhttps://github.com/electron/electron/commit/000453e399bd1dee5e86376cdd9ece5fc071e601Patch
security-advisories@github.comhttps://github.com/electron/electron/commit/25ba8be57c65a83d8c14ebb8aa37693df17a04f3Patch
security-advisories@github.comhttps://github.com/electron/electron/commit/c38d6fd68756f04647ea857bdb6a2abec332e217Patch
security-advisories@github.comhttps://github.com/electron/electron/pull/52480Issue Tracking, Patch
security-advisories@github.comhttps://github.com/electron/electron/releases/tag/v42.10.0Release Notes
security-advisories@github.comhttps://github.com/electron/electron/releases/tag/v43.5.0Release Notes
security-advisories@github.comhttps://github.com/electron/electron/releases/tag/v44.0.0-beta.6Release Notes
security-advisories@github.comhttps://github.com/electron/electron/security/advisories/GHSA-qmv3-fv6v-rmhqVendor Advisory
Impacted products
Vendor Product Version
electronjs electron *
electronjs electron *
electronjs electron 44.0.0
electronjs electron 44.0.0
electronjs electron 44.0.0
electronjs electron 44.0.0
electronjs electron 44.0.0
electronjs electron 44.0.0
electronjs electron 44.0.0
electronjs electron 44.0.0
electronjs electron 44.0.0
electronjs electron 44.0.0
electronjs electron 44.0.0
electronjs electron 44.0.0
electronjs electron 44.0.0
electronjs electron 44.0.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "electron",
          "vendor": "electron",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 42.3.3, \u003c 42.10.0"
            },
            {
              "status": "affected",
              "version": "\u003e= 43.0.0-beta.1, \u003c 43.5.0"
            },
            {
              "status": "affected",
              "version": "\u003e= 44.0.0-alpha.1, \u003c 44.0.0-beta.6"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
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              "matchCriteriaId": "0983EAA7-6B7F-4F8A-83DE-0F3769CC6C4A",
              "versionEndIncluding": "42.10.0",
              "versionStartIncluding": "42.3.3",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "9079739C-BB0A-4D28-8AD4-F4558D6773B2",
              "versionEndExcluding": "43.4.2",
              "versionStartIncluding": "43.0.0",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "94D88EA0-06B8-4682-B01F-D3E1D7F6F806",
              "vulnerable": true
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              "matchCriteriaId": "796732E1-53E5-4D7F-AA0C-9CBDD29F7210",
              "vulnerable": true
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              "matchCriteriaId": "7073A25C-D7C8-42C6-9A19-AF45BE0CDF9F",
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              "matchCriteriaId": "3106D6D5-37B3-4422-AB92-95E81B8B18F3",
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            },
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              "matchCriteriaId": "990B95FF-4B70-4E2A-9ADE-96DB4FD83F58",
              "vulnerable": true
            },
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              "matchCriteriaId": "550B3853-4CD1-491C-9C66-E3DBDEF5415F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:electronjs:electron:44.0.0:beta1:*:*:*:node.js:*:*",
              "matchCriteriaId": "F3DCC540-D8FC-4602-8150-4F5FA7E6AE8F",
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            },
            {
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              "matchCriteriaId": "2061B84C-AC6C-4F81-B14B-EA747246A048",
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            },
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              "matchCriteriaId": "48A97AF4-2C03-425F-ABB4-50D522C1426D",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. From 42.3.3 until 42.10.0, 43.5.0, and 44.0.0-beta.6, Electron\u0027s sandboxed preload code cache did not verify that a cached entry matched the preload it was served for. A compromised renderer could write attacker-controlled cache data and cause Electron to reuse it for a later load, executing the renderer\u0027s code in the more privileged preload context. The issue affects applications that load untrusted content. This issue is fixed in versions 42.10.0, 43.5.0, and 44.0.0-beta.6."
    }
  ],
  "id": "CVE-2026-102677",
  "lastModified": "2026-10-08T20:24:30.737",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.1,
        "impactScore": 6.0,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.0,
        "impactScore": 6.0,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-102677",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-10-02T12:18:07.959498Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-29T18:17:09.573",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/electron/electron/commit/000453e399bd1dee5e86376cdd9ece5fc071e601"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
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      "url": "https://github.com/electron/electron/commit/25ba8be57c65a83d8c14ebb8aa37693df17a04f3"
    },
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    },
    {
      "source": "security-advisories@github.com",
      "tags": [
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      "url": "https://github.com/electron/electron/pull/52480"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
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      "url": "https://github.com/electron/electron/releases/tag/v42.10.0"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
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      ],
      "url": "https://github.com/electron/electron/releases/tag/v43.5.0"
    },
    {
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      "tags": [
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    },
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      "tags": [
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      "url": "https://github.com/electron/electron/security/advisories/GHSA-qmv3-fv6v-rmhq"
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  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        },
        {
          "lang": "en",
          "value": "CWE-345"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}



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