CVE-2026-7350

<!-- Conceptual PoC for WebMIDI UAF --> <script> // This script attempts to trigger the vulnerability in vulnerable Chrome versions function triggerExploit() { try { // Request MIDI Access to initialize the vulnerable component navigator.requestMIDIAccess().then(onMIDISuccess, onMIDIFailure); } catch (e) { console.log("WebMIDI not supported or error occurred"); } } function onMIDISuccess(midiAccess) { var inputs = midiAccess.inputs.values(); for (var input = inputs.next(); input && !input.done; input = inputs.next()) { // Logic to potentially trigger UAF on the MIDI input object // In a real exploit, this involves precise memory manipulation console.log("Input port: " + input.value.name); } // Hypothetical trigger for the Use-After-Free condition // This requires specific heap grooming to be effective exploitUAF(); } function exploitUAF() { // Placeholder for memory corruption logic // Designed to attempt a sandbox escape via the UAF console.log("Attempting to trigger UAF..."); } triggerExploit(); </script>

{"cve": {"id": "CVE-2026-7350", "sourceIdentifier": "[email protected]", "published": "2026-04-28T23:16:22.583", "lastModified": "2026-04-30T16:40:36.910", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Use after free in WebMIDI in Google Chrome prior to 147.0.7727.138 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)"}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H", "baseScore": 8.3, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.6, "impactScore": 6.0}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-416"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "versionEndExcluding": "147.0.7727.138", "matchCriteriaId": "162EE53D-80A0-4153-B6D6-B2EF01E0BDAE"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "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"}]}]}], "references": [{"url": "https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_28.html", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "https://issues.chromium.org/issues/500018484", "source": "[email protected]", "tags": ["Permissions Required"]}]}}