{"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": "2026-03-21T04:01:11.760Z"}, "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": {"timestamp": "2026-03-20T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-4457"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-21T04:01:11.760Z"}}]}}

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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": "2026-03-20T20:06:20.913306+00:00", "value": {"mitigation_remediation": ["Upgrade Google Chrome to version 146.0.7680.153 or later", "Verify the Chrome version on each affected system and apply the latest stable update", "If automatic updates are disabled, configure Chrome to install security updates promptly"], "summary": {"action": "Patch Immediately", "impact": "Heap corruption potentially leading to remote code execution"}, "threat_synthesis": {"affected_systems": "The flaw affects any installation of Google Chrome running a version earlier than 146.0.7680.153 on supported operating systems, including Windows, macOS, and Linux.", "description_and_impact": "A type confusion flaw in the V8 JavaScript engine allows an attacker to create a specially crafted HTML page that can cause heap corruption in Google Chrome. The corrupt memory can compromise process integrity and, if the attacker succeeds, may lead to arbitrary code execution. The weakness is identified as CWE\u2011843.", "risk_and_exploitability": "The CVSS score of 8.8 signifies high severity, while an EPSS score below 1% indicates a currently low likelihood of exploitation. The vulnerability is not listed in the CISA KEV catalog, suggesting no widespread public exploitation yet. The most likely attack vector is a malicious web page that an end\u2011user visits; successful exploitation would require the user to load the crafted HTML, typically through phishing or compromised sites."}}}}, "created": "2026-03-20T08:53:20.445158+00:00", "updated": "2026-03-25T14:09:48.518482+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}