Vulnerability-Lookup

FKIE_CVE-2026-34772

Vulnerability from fkie_nvd - Published: 2026-04-04 00:16 - Updated: 2026-04-22 15:10

Severity ?

5.8 (Medium) - CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:L
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Summary

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 38.8.6, 39.8.0, 40.7.0, and 41.0.0-beta.8, apps that allow downloads and programmatically destroy sessions may be vulnerable to a use-after-free. If a session is torn down while a native save-file dialog is open for a download, dismissing the dialog dereferences freed memory, which may lead to a crash or memory corruption. Apps that do not destroy sessions at runtime, or that do not permit downloads, are not affected. This issue has been patched in versions 38.8.6, 39.8.0, 40.7.0, and 41.0.0-beta.8.

References

	URL	Tags
	security-advisories@github.com	https://github.com/electron/electron/security/advisories/GHSA-9w97-2464-8783	Vendor Advisory

Impacted products

Vendor	Product	Version
electronjs	electron	*
electronjs	electron	*
electronjs	electron	*
electronjs	electron	41.0.0
electronjs	electron	41.0.0
electronjs	electron	41.0.0
electronjs	electron	41.0.0
electronjs	electron	41.0.0
electronjs	electron	41.0.0
electronjs	electron	41.0.0
electronjs	electron	41.0.0
electronjs	electron	41.0.0
electronjs	electron	41.0.0
electronjs	electron	41.0.0
electronjs	electron	41.0.0
electronjs	electron	41.0.0

JSON

To clipboard

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      "value": "Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 38.8.6, 39.8.0, 40.7.0, and 41.0.0-beta.8, apps that allow downloads and programmatically destroy sessions may be vulnerable to a use-after-free. If a session is torn down while a native save-file dialog is open for a download, dismissing the dialog dereferences freed memory, which may lead to a crash or memory corruption. Apps that do not destroy sessions at runtime, or that do not permit downloads, are not affected. This issue has been patched in versions 38.8.6, 39.8.0, 40.7.0, and 41.0.0-beta.8."
    }
  ],
  "id": "CVE-2026-34772",
  "lastModified": "2026-04-22T15:10:25.353",
  "metrics": {
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        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "LOW",
          "baseScore": 5.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "LOW",
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        "type": "Secondary"
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          "version": "3.1"
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        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  "published": "2026-04-04T00:16:18.133",
  "references": [
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      "tags": [
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  "vulnStatus": "Analyzed",
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      "source": "security-advisories@github.com",
      "type": "Primary"
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}

CVE-2026-34772 (GCVE-0-2026-34772)

Vulnerability from cvelistv5 – Published: 2026-04-03 23:49 – Updated: 2026-04-06 15:27

Title

Electron: Use-after-free in download save dialog callback

Summary

Severity ?

5.8 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:L

CWE

CWE-416 - Use After Free

Assigner

GitHub_M

References

URL

Tags

https://github.com/electron/electron/security/adv…

x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	electron	electron	Affected: < 38.8.6 Affected: >= 39.0.0-alpha.1, < 39.8.0 Affected: >= 40.0.0-alpha.1, < 40.7.0 Affected: >= 41.0.0-alpha.1, < 41.0.0-beta.8

Show details on NVD website

JSON

To clipboard

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        "metrics": [
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                  },
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                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-06T15:27:31.566763Z",
                "version": "2.0.3"
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

FKIE_CVE-2026-34772

CVE-2026-34772 (GCVE-0-2026-34772)

Tags

Sightings

Nomenclature