{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-3923", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "state": "PUBLISHED", "assignerShortName": "Chrome", "dateReserved": "2026-03-11T05:54:10.642Z", "datePublished": "2026-03-11T22:04:07.466Z", "dateUpdated": "2026-03-13T03:55:36.355Z"}, "containers": {"cna": {"affected": [{"vendor": "Google", "product": "Chrome", "versions": [{"version": "146.0.7680.71", "status": "affected", "lessThan": "146.0.7680.71", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Use after free in WebMIDI in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to potentially exploit heap corruption 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": "2026-03-11T22:04:07.466Z"}, "references": [{"url": "https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_10.html"}, {"url": "https://issues.chromium.org/issues/485935314"}]}, "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": "2026-03-12T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-3923"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-13T03:55:36.355Z"}}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "matchCriteriaId": "C9898EF8-B616-4762-BD38-FFD790EE7517", "versionEndExcluding": "146.0.7680.71", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E", "vulnerable": false}, {"criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*", "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1", "vulnerable": false}, {"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Use after free in WebMIDI in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)"}, {"lang": "es", "value": "Un use-after-free en WebMIDI en Google Chrome anterior a 146.0.7680.71 permiti\u00f3 a un atacante remoto explotar potencialmente la corrupci\u00f3n del mont\u00f3n a trav\u00e9s de una p\u00e1gina HTML manipulada. (Gravedad de seguridad de Chromium: Alta)"}], "id": "CVE-2026-3923", "lastModified": "2026-03-13T15:42:16.763", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2026-03-11T22:16:34.860", "references": [{"source": "chrome-cve-admin@google.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_10.html"}, {"source": "chrome-cve-admin@google.com", "tags": ["Permissions Required"], "url": "https://issues.chromium.org/issues/485935314"}], "sourceIdentifier": "chrome-cve-admin@google.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "chrome-cve-admin@google.com", "type": "Secondary"}]}

{"bugzilla": {"description": "chromium-browser: Use after free in WebMIDI", "id": "2446847", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2446847"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["An use after free flaw was found in the WebMIDI component of the Chromium browser.\nUpstream bug(s):\nhttps://code.google.com/p/chromium/issues/detail?id=485935314"], "name": "CVE-2026-3923", "public_date": "2026-03-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-3923\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-3923\nhttps://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_10.html\nhttps://issues.chromium.org/issues/485935314"], "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": "[0,146.0.7680.71)"}}], "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": "2026-04-16T02:55:12.896873+00:00", "value": {"mitigation_remediation": ["Update Chrome to version 146.0.7680.71 or later", "If updating is delayed, disable the WebMIDI API in browser settings or through an extension to prevent unauthorized access", "Restrict or monitor web traffic that could deliver malicious content to vulnerable browsers"], "summary": {"action": "Immediate Patch", "impact": "Remote Heap Corruption leading to Potential Code Execution"}, "threat_synthesis": {"affected_systems": "Google Chrome browsers older than the 146.0.7680.71 release run on macOS, Linux, and Windows operating systems. Users of any of these platforms who have not upgraded Chrome are potentially exposed.", "description_and_impact": "A use\u2011after\u2011free bug in the WebMIDI implementation of Google Chrome versions prior to 146.0.7680.71 allows a malicious HTML page to trigger heap corruption. If successfully exploited, the attacker could gain remote code execution capabilities, compromising both the confidentiality and integrity of the affected system. The weakness is classified as CWE\u2011416.", "risk_and_exploitability": "The vulnerability carries a CVSS score of 8.8, indicating high severity. Although the EPSS score is under 1\u202f%, meaning the likelihood of exploitation remains low, the absence of a known exploit in the CISA KEV catalog does not diminish the potential impact. Attackers can deliver a crafted web page remotely, so any device with an unpatched Chrome installation that visits untrusted sites is at risk."}}}}, "created": "2026-03-12T09:55:28.721394+00:00", "updated": "2026-04-16T03:00:09.185612+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}