A type confusion issue was addressed with improved state management. This issue is fixed in Safari 27, iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27. Processing maliciously crafted web content may lead to arbitrary code execution.

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Fixes

Solution

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Workaround

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History

Tue, 20 Oct 2026 17:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-405

Tue, 20 Oct 2026 12:45:00 +0000

Type Values Removed Values Added
Title webkitgtk: WebKitGTK: Arbitrary code execution via type confusion
Weaknesses CWE-405
CWE-843
References
Metrics threat_severity

None

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

threat_severity

Important


Tue, 20 Oct 2026 04:45:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple ios And Ipados
Apple macos
Apple safari
Apple visionos
Vendors & Products Apple
Apple ios And Ipados
Apple macos
Apple safari
Apple visionos

Tue, 20 Oct 2026 01:15:00 +0000

Type Values Removed Values Added
Description A type confusion issue was addressed with improved state management. This issue is fixed in Safari 27, iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27. Processing maliciously crafted web content may lead to arbitrary code execution.
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published:

Updated: 2026-10-20T10:33:07.800Z

Reserved: 2026-09-08T16:43:41.877Z

Link: CVE-2026-86922

cve-icon Vulnrichment

Updated: 2026-10-20T10:33:01.925Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-20T01:17:27.600

Modified: 2026-10-20T15:03:59.857

Link: CVE-2026-86922

cve-icon Redhat

Severity : Important

Publid Date: 2026-10-20T00:50:52Z

Links: CVE-2026-86922 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-10-20T19:00:16Z

Weaknesses