CVE-2026-6307

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{"bugzilla": {"description": "chromium-browser: Type Confusion in Turbofan", "id": "2458799", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2458799"}, "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 type confusion flaw was found in the Turbofan component of the Chromium browser.\nUpstream bug(s):\nhttps://code.google.com/p/chromium/issues/detail?id=497404188"], "name": "CVE-2026-6307", "public_date": "2026-04-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-6307\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-6307\nhttps://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_15.html\nhttps://issues.chromium.org/issues/497404188"], "statement": "Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[147.0.7727.101,147.0.7727.101)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Chrome", "source": "cna", "vendor": "Google"}, "product": "chrome", "vendor": "google"}], "analysis": {"en": {"generated_at": "2026-04-15T22:02:13.193833+00:00", "value": {"mitigation_remediation": ["Update Google Chrome to version 147.0.7727.101 or later. ", "Force automatic updates for browsers within organizational environments to ensure the patch is installed promptly. ", "If update is temporarily delayed, restrict access to untrusted web content or employ content security policies that limit script execution from unknown origins."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "The affected product is Google Chrome, specifically all versions prior to build 147.0.7727.101. Users running earlier releases on any supported operating system (Windows, macOS, Linux) are exposed. The fix is included in the stable channel update released on April 15, 2026, which advances the browser to version 147.0.7727.101 and later.", "description_and_impact": "A type confusion vulnerability exists in the Turbofan engine of Google Chrome. This flaw allows a remote attacker to craft a malicious HTML page that, when rendered, results in the execution of arbitrary code inside the browser\u2019s sandbox. The vulnerability is specifically tied to CWE\u2011843, which denotes type confusion flaws that can lead to unintended data interpretation and execution pathways. The impact is direct code execution within the sandbox, potentially compromising the confidentiality, integrity, and availability of the user\u2019s system if the attacker can escape the sandbox boundary. The effect is essentially the same as if the attacker could run code with the privileges of the browsing context or, under certain conditions, elevate outside the sandbox.", "risk_and_exploitability": "The CVSS score is 8.8, indicating high severity per standard scoring. Although the EPSS score is not publicly available, the lack of a listed presence in the CISA KEV catalog does not reduce the technical risk; the flaw remains highly exploitable if a threat actor supplies a crafted HTML page. The attack vector is remote: a user visiting a malicious web page can trigger the code execution without additional interaction. Given the CVSS score of 8.8 and the craft required only to create an HTML file, the risk level remains significant for all users on affected versions."}}}}, "created": "2026-04-15T21:45:14.059753+00:00", "title": "Type Confusion in Turbofan Enables Remote Code Execution in Google Chrome", "updated": "2026-04-15T22:15:15.705320+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}