{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-8561", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "state": "PUBLISHED", "assignerShortName": "Chrome", "dateReserved": "2026-05-14T05:40:22.497Z", "datePublished": "2026-05-14T19:52:29.824Z", "dateUpdated": "2026-05-14T21:26:14.082Z"}, "containers": {"cna": {"affected": [{"vendor": "Google", "product": "Chrome", "versions": [{"version": "148.0.7778.168", "status": "affected", "lessThan": "148.0.7778.168", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Incorrect security UI in Fullscreen in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Incorrect security UI"}]}], "providerMetadata": {"orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "shortName": "Chrome", "dateUpdated": "2026-05-14T19:52:29.824Z"}, "references": [{"url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html"}, {"url": "https://issues.chromium.org/issues/343352552"}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-451", "lang": "en", "description": "CWE-451 User Interface (UI) Misrepresentation of Critical Information"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-05-14T21:26:10.952716Z", "id": "CVE-2026-8561", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-14T21:26:14.082Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Incorrect security UI in Fullscreen in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)"}], "id": "CVE-2026-8561", "lastModified": "2026-05-14T22:16:49.697", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.5, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2026-05-14T20:17:18.213", "references": [{"source": "chrome-cve-admin@google.com", "url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html"}, {"source": "chrome-cve-admin@google.com", "url": "https://issues.chromium.org/issues/343352552"}], "sourceIdentifier": "chrome-cve-admin@google.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-451"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "chromium-browser: chromium-browser: Incorrect security UI in Fullscreen", "id": "2477631", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2477631"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "status": "draft"}, "cwe": "CWE-1021", "details": ["An incorrect security ui flaw was found in the Fullscreen component of the Chromium browser.\nUpstream bug(s):\nhttps://code.google.com/p/chromium/issues/detail?id=343352552"], "name": "CVE-2026-8561", "public_date": "2026-05-14T19:52:29Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-8561\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-8561\nhttps://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html\nhttps://issues.chromium.org/issues/343352552"], "statement": "Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.", "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[148.0.7778.168,148.0.7778.168)"}}], "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": "2026-05-14T22:00:09.454883+00:00", "updated": "2026-05-15T14:45:16.204329+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}