{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-4676", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "state": "PUBLISHED", "assignerShortName": "Chrome", "dateReserved": "2026-03-23T21:08:17.768Z", "datePublished": "2026-03-24T00:24:41.828Z", "dateUpdated": "2026-03-25T03:55:39.011Z"}, "containers": {"cna": {"affected": [{"vendor": "Google", "product": "Chrome", "versions": [{"version": "146.0.7680.165", "status": "affected", "lessThan": "146.0.7680.165", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Use after free in Dawn in Google Chrome prior to 146.0.7680.165 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": "2026-03-24T00:24:41.828Z"}, "references": [{"url": "https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_23.html"}, {"url": "https://issues.chromium.org/issues/488613135"}]}, "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": "2026-03-24T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-4676"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-25T03:55:39.011Z"}}]}}

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{"bugzilla": {"description": "chromium-browser: Use after free in Dawn", "id": "2450571", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2450571"}, "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-825", "details": ["An use after free flaw was found in the Dawn component of the Chromium browser.\nUpstream bug(s):\nhttps://code.google.com/p/chromium/issues/detail?id=488613135"], "name": "CVE-2026-4676", "public_date": "2026-03-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-4676\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-4676\nhttps://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_23.html\nhttps://issues.chromium.org/issues/488613135"], "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": "[146.0.7680.165,146.0.7680.165)"}}], "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": "2026-03-24T18:53:42.853736+00:00", "value": {"mitigation_remediation": ["Update Google Chrome to version 146.0.7680.165 or newer on all affected devices."], "summary": {"action": "Immediate Patch", "impact": "Sandbox escape"}, "threat_synthesis": {"affected_systems": "The defect was found in Google Chrome versions older than 146.0.7680.165 on all mainstream operating systems, including Windows, macOS, Linux, and Chrome OS. Consequently, any user running an outdated Chrome build on these platforms remains exposed.", "description_and_impact": "A use\u2011after\u2011free vulnerability in the Dawn rendering engine of Google Chrome prior to version 146.0.7680.165 can be triggered by a remote attacker via a crafted HTML page, potentially breaking the browser's sandbox and allowing arbitrary code execution with system privileges. The weakness corresponds to CWE\u2011416 (Use\u2011After\u2011Free) and CWE\u2011825 (Unchecked Return Value). This flaw jeopardises confidentiality, integrity, and availability by permitting control over the host system.", "risk_and_exploitability": "The CVSS base score of 8.8 indicates high severity, while the EPSS score of less than 1% implies a low probability of active exploitation today. The vulnerability is not listed in the CISA KEV catalog, suggesting no current widespread exploitation. Based on the description, it is inferred that the attack vector requires a victim to load a malicious web page in Chrome; no additional privileges or network access are mentioned. Though the exploit conditions are simple, the high impact warrants swift mitigation."}}}}, "created": "2026-03-24T10:29:32.565000+00:00", "updated": "2026-03-25T20:40:38.527589+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}