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{"bugzilla": {"description": "chromium-browser: Google Chrome Extensions: Arbitrary code execution via malicious extension installation", "id": "2514410", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2514410"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["A flaw was found in Google Chrome Extensions. This use-after-free vulnerability allows a remote attacker to execute arbitrary code within the browser's sandbox. Exploitation occurs when a user is convinced to install a specially crafted malicious extension."], "name": "CVE-2026-19558", "public_date": "2026-08-11T21:23:53Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-19558\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-19558\nhttps://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_01815628406.html\nhttps://issues.chromium.org/issues/536676756"], "statement": "This Important flaw in Google Chrome Extensions allows for arbitrary code execution within the browser's sandbox. Exploitation requires a user to be convinced to install a malicious extension, limiting the attack vector to user interaction rather than remote, unauthenticated access.", "threat_severity": "Important"}