{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-5865", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "state": "PUBLISHED", "assignerShortName": "Chrome", "dateReserved": "2026-04-08T19:34:33.369Z", "datePublished": "2026-04-08T21:20:42.400Z", "dateUpdated": "2026-04-13T15:35:47.210Z"}, "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": "2026-04-08T21:20:42.400Z"}, "references": [{"url": "https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html"}, {"url": "https://issues.chromium.org/issues/491884710"}]}, "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": "2026-04-10T03:55:44.989058Z", "id": "CVE-2026-5865", "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": "2026-04-13T15:35:47.210Z"}}]}}

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{"bugzilla": {"description": "chromium-browser: Type Confusion in V8", "id": "2456782", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2456782"}, "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=491884710"], "name": "CVE-2026-5865", "public_date": "2026-04-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-5865\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-5865\nhttps://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html\nhttps://issues.chromium.org/issues/491884710"], "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": "[0,147.0.7727.55)"}}], "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": "2026-04-13T18:42:54.083571+00:00", "value": {"mitigation_remediation": ["Update Google Chrome to version 147.0.7727.55 or later.", "Verify the update by checking the browser's About page.", "If an immediate update is not possible, disable JavaScript or use a browser extension to block suspicious scripts until the patch is applied.", "Ensure the browser is set to automatically receive updates to reduce the window of vulnerability."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "The affected product is Google Chrome running on Windows, macOS, or Linux. Versions prior to 147.0.7727.55 are vulnerable. All operating systems that ship with Chrome are potentially impacted.", "description_and_impact": "This vulnerability is a type confusion flaw in the V8 JavaScript engine used by Google Chrome before version 147.0.7727.55. A maliciously crafted HTML page can trigger the bug and allow an attacker to execute arbitrary code within the browser's sandbox. The flaw is classified as CWE\u2011843 and results in a serious loss of confidentiality, integrity, or availability of the victim system.", "risk_and_exploitability": "The CVSS score of 8.8 indicates high severity, while the EPSS score of less than 1% suggests a low likelihood of widespread exploitation. The flaw is not listed in the CISA KEV catalog, but a crafted webpage that a user opens could deliver the exploit. Because the attack requires a user to visit a malicious page, the risk is moderate, and remediation should be prioritized."}}}}, "created": "2026-04-09T08:17:37.581203+00:00", "updated": "2026-04-14T16:38:04.136174+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}