{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-19558", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "state": "PUBLISHED", "assignerShortName": "Chrome", "dateReserved": "2026-08-11T17:27:19.349Z", "datePublished": "2026-08-11T21:23:53.911Z", "dateUpdated": "2026-08-12T13:38:25.147Z"}, "containers": {"cna": {"affected": [{"vendor": "Google", "product": "Chrome", "versions": [{"version": "151.0.7922.137", "status": "affected", "lessThan": "151.0.7922.137", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Use after free in Extensions in Google Chrome prior to 151.0.7922.137 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: High)"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Use after free", "cweId": "CWE-416"}]}], "providerMetadata": {"orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "shortName": "Chrome", "dateUpdated": "2026-08-11T21:23:53.911Z"}, "references": [{"url": "https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_01815628406.html"}, {"url": "https://issues.chromium.org/issues/536676756"}]}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-08-12T13:38:22.349276Z", "id": "CVE-2026-19558", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-12T13:38:25.147Z"}}]}}

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{"bugzilla": {"description": "chromium-browser: Google Chrome Extensions: Arbitrary code execution via malicious extension installation", "id": "2514410", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2514410"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["A flaw was found in Google Chrome Extensions. This use-after-free vulnerability allows a remote attacker to execute arbitrary code within the browser's sandbox. Exploitation occurs when a user is convinced to install a specially crafted malicious extension."], "name": "CVE-2026-19558", "public_date": "2026-08-11T21:23:53Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-19558\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-19558\nhttps://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_01815628406.html\nhttps://issues.chromium.org/issues/536676756"], "statement": "This Important flaw in Google Chrome Extensions allows for arbitrary code execution within the browser's sandbox. Exploitation requires a user to be convinced to install a malicious extension, limiting the attack vector to user interaction rather than remote, unauthenticated access.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[151.0.7922.137,151.0.7922.137)"}}], "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": "2026-08-12T12:00:03.834740+00:00", "updated": "2026-08-12T19:30:08.479789+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}