{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-12011", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "state": "PUBLISHED", "assignerShortName": "Chrome", "dateReserved": "2026-06-11T18:16:03.416Z", "datePublished": "2026-06-11T20:48:06.231Z", "dateUpdated": "2026-06-11T20:48:06.231Z"}, "containers": {"cna": {"affected": [{"vendor": "Google", "product": "Chrome", "versions": [{"version": "149.0.7827.115", "status": "affected", "lessThan": "149.0.7827.115", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Use after free in WebMIDI in Google Chrome on Windows prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Use after free", "cweId": "CWE-416"}]}], "providerMetadata": {"orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "shortName": "Chrome", "dateUpdated": "2026-06-11T20:48:06.231Z"}, "references": [{"url": "https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01962725236.html"}, {"url": "https://issues.chromium.org/issues/518108291"}]}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Use after free in WebMIDI in Google Chrome on Windows prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)"}], "id": "CVE-2026-12011", "lastModified": "2026-06-11T22:16:53.597", "metrics": {}, "published": "2026-06-11T22:16:53.597", "references": [{"source": "chrome-cve-admin@google.com", "url": "https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01962725236.html"}, {"source": "chrome-cve-admin@google.com", "url": "https://issues.chromium.org/issues/518108291"}], "sourceIdentifier": "chrome-cve-admin@google.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "chrome-cve-admin@google.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,149.0.7827.115)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Chrome", "source": "cna", "vendor": "Google"}, "product": "chrome", "vendor": "google"}], "created": "2026-06-11T22:30:09.068877+00:00", "title": "Use After Free in WebMIDI Leads to Sandbox Escape on Windows Chrome", "updated": "2026-06-11T23:15:09.879772+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}