{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-7940", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "state": "PUBLISHED", "assignerShortName": "Chrome", "dateReserved": "2026-05-05T22:59:15.321Z", "datePublished": "2026-05-06T18:12:44.751Z", "dateUpdated": "2026-05-06T18:12:44.751Z"}, "containers": {"cna": {"affected": [{"vendor": "Google", "product": "Chrome", "versions": [{"version": "148.0.7778.96", "status": "affected", "lessThan": "148.0.7778.96", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Use after free in V8 in Google Chrome prior to 148.0.7778.96 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code inside a sandbox via a crafted Chrome Extension. (Chromium security severity: Medium)"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Use after free", "cweId": "CWE-416"}]}], "providerMetadata": {"orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "shortName": "Chrome", "dateUpdated": "2026-05-06T18:12:44.751Z"}, "references": [{"url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html"}, {"url": "https://issues.chromium.org/issues/493631402"}]}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Use after free in V8 in Google Chrome prior to 148.0.7778.96 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code inside a sandbox via a crafted Chrome Extension. (Chromium security severity: Medium)"}], "id": "CVE-2026-7940", "lastModified": "2026-05-06T19:19:32.317", "metrics": {}, "published": "2026-05-06T19:16:42.323", "references": [{"source": "chrome-cve-admin@google.com", "url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html"}, {"source": "chrome-cve-admin@google.com", "url": "https://issues.chromium.org/issues/493631402"}], "sourceIdentifier": "chrome-cve-admin@google.com", "vulnStatus": "Awaiting Analysis", "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": "[148.0.7778.96,148.0.7778.96)"}}], "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": "2026-05-06T19:45:10.665991+00:00", "title": "Use-after-Free in V8 Allows Arbitrary Code Execution via Malicious Chrome Extension", "updated": "2026-05-06T21:30:12.402224+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}