CVE-2026-19166

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{"bugzilla": {"description": "chromium-browser: Google Chrome: Sandbox escape due to use-after-free in Web Authentication", "id": "2512229", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512229"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-825", "details": ["Use after free in Web Authentication in Google Chrome prior to 151.0.7922.109 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)", "A flaw was found in Web Authentication in Google Chrome. A remote attacker could exploit a use-after-free vulnerability by enticing a user to visit a specially crafted HTML page. This could potentially allow the attacker to escape the browser's security sandbox, leading to further system compromise."], "name": "CVE-2026-19166", "public_date": "2026-08-06T20:33:53Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-19166\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-19166\nhttps://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_01193673229.html\nhttps://issues.chromium.org/issues/536584251"], "statement": "This is an Important vulnerability in Chromium's Web Authentication component that could allow a remote attacker to escape the browser's sandbox. Exploitation requires user interaction, such as visiting a specially crafted HTML page, but could lead to significant system compromise beyond the browser's confines.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[151.0.7922.109,151.0.7922.109)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Chrome", "source": "cna", "vendor": "Google"}, "product": "chrome", "vendor": "google"}], "created": "2026-08-07T00:00:05.194394+00:00", "updated": "2026-08-13T14:00:04.478734+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}