CVE-2026-86922

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{"bugzilla": {"description": "webkitgtk: WebKitGTK: Arbitrary code execution via type confusion", "id": "2555936", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2555936"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-843", "details": ["A flaw was found in WebKitGTK. Due to a type confusion issue\u2014where the application misinterprets an object's data type in memory\u2014processing maliciously crafted web content can lead to memory corruption. A remote attacker could exploit this vulnerability to achieve arbitrary code execution on the targeted system."], "name": "CVE-2026-86922", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Affected", "package_name": "webkitgtk", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "webkitgtk3", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "webkitgtk4", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2026-10-20T00:50:52Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-86922\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-86922\nhttps://support.apple.com/en-us/149034\nhttps://support.apple.com/en-us/149035\nhttps://support.apple.com/en-us/149038\nhttps://support.apple.com/en-us/149039"], "threat_severity": "Important"}

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