{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-5871", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "state": "PUBLISHED", "assignerShortName": "Chrome", "dateReserved": "2026-04-08T19:34:35.438Z", "datePublished": "2026-04-08T21:20:44.696Z", "dateUpdated": "2026-04-13T13:03:43.864Z"}, "containers": {"cna": {"affected": [{"vendor": "Google", "product": "Chrome", "versions": [{"version": "147.0.7727.55", "status": "affected", "lessThan": "147.0.7727.55", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Type Confusion in V8 in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to execute arbitrary code inside a sandbox 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": "2026-04-08T21:20:44.696Z"}, "references": [{"url": "https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html"}, {"url": "https://issues.chromium.org/issues/495679730"}]}, "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": "2026-04-10T03:55:53.317951Z", "id": "CVE-2026-5871", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-13T13:03:43.864Z"}}]}}

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{"bugzilla": {"description": "chromium-browser: Type Confusion in V8", "id": "2456792", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2456792"}, "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": ["Type Confusion in V8 in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)", "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=495679730"], "name": "CVE-2026-5871", "public_date": "2026-04-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-5871\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-5871\nhttps://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html\nhttps://issues.chromium.org/issues/495679730"], "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": "[147.0.7727.55,147.0.7727.55)"}}], "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": "2026-04-13T19:07:33.008898+00:00", "value": {"mitigation_remediation": ["Update Google Chrome to version 147.0.7727.55 or newer"], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "Google Chrome installations before 147.0.7727.55 on any platform\u2014macOS, Linux, and Windows\u2014are affected. Users who have not upgraded to the patched build remain vulnerable.", "description_and_impact": "A type confusion vulnerability exists in the V8 JavaScript engine used by Google Chrome versions earlier than 147.0.7727.55. The flaw, identified as CWE\u2011843, allows a remote attacker to execute arbitrary code inside the browser\u2019s sandbox through a specially crafted HTML page. Because the code runs with the privileges granted to the sandbox, an attacker can potentially read, modify, or delete data or attempt further privilege escalation if the sandbox is misconfigured.", "risk_and_exploitability": "The CVSS score of 8.8 reflects a high severity and the EPSS score of less than 1% indicates that widespread exploitation is currently unlikely. The vulnerability is not included in the CISA KEV list. Exploitation requires a user to open or render the malicious HTML page in Chrome, after which the attacker can trigger the type confusion and run code within the sandbox. Prompt patching is essential to reduce risk."}}}}, "created": "2026-04-09T08:17:31.570219+00:00", "updated": "2026-04-14T16:37:57.470496+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}