{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-4451", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "state": "PUBLISHED", "assignerShortName": "Chrome", "dateReserved": "2026-03-19T20:23:51.121Z", "datePublished": "2026-03-20T01:34:50.952Z", "dateUpdated": "2026-03-20T14:42:47.261Z"}, "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": "Insufficient validation of untrusted input in Navigation in Google Chrome prior to 146.0.7680.153 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Insufficient validation of untrusted input", "cweId": "CWE-20"}]}], "providerMetadata": {"orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "shortName": "Chrome", "dateUpdated": "2026-03-20T01:34:50.952Z"}, "references": [{"url": "https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_18.html"}, {"url": "https://issues.chromium.org/issues/487768779"}]}, "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-2026-4451", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-03-20T14:34:37.750162Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-20T14:42:47.261Z"}}]}}

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{"bugzilla": {"description": "chromium-browser: Insufficient validation of untrusted input in Navigation", "id": "2449385", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2449385"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.2", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-1286", "details": ["An insufficient validation of untrusted input flaw was found in the Navigation component of the Chromium browser.\nUpstream bug(s):\nhttps://code.google.com/p/chromium/issues/detail?id=487768779"], "name": "CVE-2026-4451", "public_date": "2026-03-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-4451\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-4451\nhttps://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_18.html\nhttps://issues.chromium.org/issues/487768779"], "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": "[0,146.0.7680.153)"}}], "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": "2026-03-20T13:24:51.440656+00:00", "value": {"mitigation_remediation": ["Upgrade Google Chrome to version 146.0.7680.153 or newer.", "Enable automatic updates to ensure timely receipt of security patches.", "Verify the browser version after the update to confirm compliance.", "Consider disabling third\u2011party plugins or extensions that might provide additional untrusted navigation contexts as a temporary mitigant."], "summary": {"action": "Immediate Patch", "impact": "Sandbox Escape"}, "threat_synthesis": {"affected_systems": "Affected users run Google Chrome versions prior to 146.0.7680.153. The vulnerability applies to all platforms that ship this browser version. The vendor statement identifies Google:Chrome as the impacted product. Remediation requires upgrading to at least the 146.0.7680.153 release.", "description_and_impact": "The vulnerability lies in insufficient validation of untrusted input during navigation handling in Chrome. When a renderer process is already compromised, an attacker can deliver a specially crafted HTML page that bypasses the sandbox restrictions, potentially leading to execution of arbitrary code on the host machine. This corresponds to CWE-20 (Improper Input Validation) and CWE-1286 (Insufficient validation of untrusted input during navigation).", "risk_and_exploitability": "The CVSS base score is 8.2, indicating high severity. No EPSS data is available and the vulnerability is not currently listed in the CISA KEV catalog. Exploitation requires an attacker who has already compromised the renderer process, which could be achieved via phishing or malicious web content. Once such a process is available, the crafted page allows a sandbox escape, enabling further compromise. Attackers would likely employ a malicious website or crafted email attachment to load the harmful HTML into the browser."}}}}, "created": "2026-03-20T08:53:25.660453+00:00", "updated": "2026-03-20T14:14:24.475754+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}