{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-4457", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "state": "PUBLISHED", "assignerShortName": "Chrome", "dateReserved": "2026-03-19T20:23:52.980Z", "datePublished": "2026-03-20T01:34:54.761Z", "dateUpdated": "2026-03-20T14:42:46.659Z"}, "containers": {"cna": {"affected": [{"vendor": "Google", "product": "Chrome", "versions": [{"version": "146.0.7680.153", "status": "affected", "lessThan": "146.0.7680.153", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Type Confusion in V8 in Google Chrome prior to 146.0.7680.153 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Type Confusion", "cweId": "CWE-843"}]}], "providerMetadata": {"orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "shortName": "Chrome", "dateUpdated": "2026-03-20T01:34:54.761Z"}, "references": [{"url": "https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_18.html"}, {"url": "https://issues.chromium.org/issues/488803413"}]}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-4457", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-03-20T14:33:26.464115Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-20T14:42:46.659Z"}}]}}

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{"bugzilla": {"description": "chromium-browser: Type Confusion in V8", "id": "2449409", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2449409"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.6", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-843", "details": ["A type confusion flaw was found in the V8 component of the Chromium browser.\nUpstream bug(s):\nhttps://code.google.com/p/chromium/issues/detail?id=488803413"], "name": "CVE-2026-4457", "public_date": "2026-03-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-4457\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-4457\nhttps://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_18.html\nhttps://issues.chromium.org/issues/488803413"], "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": "[146.0.7680.153,146.0.7680.153)"}}], "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": "2026-03-20T13:23:05.168608+00:00", "value": {"mitigation_remediation": ["Update Chrome to a version 146.0.7680.153 or newer."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "The affected product is Google Chrome. All Chrome installations on any operating system using a version older than 146.0.7680.153 are vulnerable. The vulnerability applies to the stable channel releases listed at https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_18.html.", "description_and_impact": "Type confusion in the V8 JavaScript engine in Google Chrome prior to version 146.0.7680.153 can result in heap corruption when a crafted HTML page is loaded. This vulnerability is identified as CWE\u2011843 (Type Confusion). Successful exploitation could lead to arbitrary code execution, compromising confidentiality, integrity, and availability of the user\u2019s system.", "risk_and_exploitability": "The CVSS score is 9.6, indicating a very high severity. The EPSS score is not available, and the vulnerability is not listed in the CISA KEV catalog. The attack vector is remote: a malicious actor can deliver a crafted HTML page to the target user\u2019s browser. If the type confusion path is triggered, an attacker could exploit heap corruption to gain remote code execution on the host machine."}}}}, "created": "2026-03-20T08:53:20.445158+00:00", "updated": "2026-03-20T14:14:16.729012+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}