{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-19166", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "state": "PUBLISHED", "assignerShortName": "Chrome", "dateReserved": "2026-08-06T16:51:51.741Z", "datePublished": "2026-08-06T20:33:53.955Z", "dateUpdated": "2026-08-08T03:55:23.988Z"}, "containers": {"cna": {"affected": [{"vendor": "Google", "product": "Chrome", "versions": [{"version": "151.0.7922.109", "status": "affected", "lessThan": "151.0.7922.109", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "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)"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Use after free", "cweId": "CWE-416"}]}], "providerMetadata": {"orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "shortName": "Chrome", "dateUpdated": "2026-08-06T20:33:53.955Z"}, "references": [{"url": "https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_01193673229.html"}, {"url": "https://issues.chromium.org/issues/536584251"}]}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.6, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-08-07T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-19166"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-08T03:55:23.988Z"}}]}}

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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"]}