{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-9991", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "state": "PUBLISHED", "assignerShortName": "Chrome", "dateReserved": "2026-05-28T17:25:09.312Z", "datePublished": "2026-05-28T22:25:47.895Z", "dateUpdated": "2026-05-28T22:25:47.895Z"}, "containers": {"cna": {"affected": [{"vendor": "Google", "product": "Chrome", "versions": [{"version": "148.0.7778.216", "status": "affected", "lessThan": "148.0.7778.216", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Inappropriate implementation in Media in Google Chrome on Windows prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Inappropriate implementation"}]}], "providerMetadata": {"orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "shortName": "Chrome", "dateUpdated": "2026-05-28T22:25:47.895Z"}, "references": [{"url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html"}, {"url": "https://issues.chromium.org/issues/513173565"}]}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Inappropriate implementation in Media in Google Chrome on Windows prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)"}], "id": "CVE-2026-9991", "lastModified": "2026-05-29T02:35:42.620", "metrics": {}, "published": "2026-05-28T23:16:57.340", "references": [{"source": "chrome-cve-admin@google.com", "url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html"}, {"source": "chrome-cve-admin@google.com", "url": "https://issues.chromium.org/issues/513173565"}], "sourceIdentifier": "chrome-cve-admin@google.com", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "chromium-browser: Inappropriate implementation in Media", "id": "2483106", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2483106"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.4", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-346", "details": ["An inappropriate implementation flaw was found in the Media component of the Chromium browser.\nUpstream bug(s):\nhttps://code.google.com/p/chromium/issues/detail?id=513173565"], "name": "CVE-2026-9991", "public_date": "2026-05-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-9991\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-9991\nhttps://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html\nhttps://issues.chromium.org/issues/513173565"], "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": "148.0.7778.216"}}], "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": "2026-05-29T00:30:25.312016+00:00", "title": "Cross-Origin Data Leakage via Renderer Process in Chrome Windows", "updated": "2026-05-29T00:45:30.162617+00:00", "vendors": ["google", "google$PRODUCT$chrome"], "weaknesses": ["CWE-200"]}