{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-76040", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "state": "PUBLISHED", "assignerShortName": "Chrome", "dateReserved": "2026-08-18T19:44:54.187Z", "datePublished": "2026-08-18T20:31:26.545Z", "dateUpdated": "2026-08-20T03:55:36.962Z"}, "containers": {"cna": {"affected": [{"vendor": "Google", "product": "Chrome", "versions": [{"version": "151.0.7922.169", "status": "affected", "lessThan": "151.0.7922.169", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Use after free in Browser in Google Chrome on on Mac prior to 151.0.7922.169 allowed a remote attacker leveraging social engineering to execute arbitrary code outside the sandbox via a crafted HTML page. (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": "2026-08-18T20:31:26.545Z"}, "references": [{"url": "https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0826575033.html"}, {"url": "https://issues.chromium.org/issues/534862220"}]}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-08-19T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-76040"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-20T03:55:36.962Z"}}]}}

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{"affected": [{"affectedData": [{"product": "Chrome", "vendor": "Google", "versions": [{"lessThan": "151.0.7922.169", "status": "affected", "version": "151.0.7922.169", "versionType": "custom"}]}], "source": "chrome-cve-admin@google.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Use after free in Browser in Google Chrome on on Mac prior to 151.0.7922.169 allowed a remote attacker leveraging social engineering to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)"}], "id": "CVE-2026-76040", "lastModified": "2026-08-20T04:17:21.963", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-76040", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-19T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-08-18T21:18:28.060", "references": [{"source": "chrome-cve-admin@google.com", "url": "https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0826575033.html"}, {"source": "chrome-cve-admin@google.com", "url": "https://issues.chromium.org/issues/534862220"}], "sourceIdentifier": "chrome-cve-admin@google.com", "vulnStatus": "Undergoing Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "chrome-cve-admin@google.com", "type": "Secondary"}]}

{"bugzilla": {"description": "chromium-browser: chromium-browser: Arbitrary code execution via use-after-free vulnerability", "id": "2518272", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2518272"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-825", "details": ["A flaw was found in chromium-browser. This use-after-free vulnerability allows a remote attacker, through social engineering, to execute arbitrary code outside of the sandbox by enticing a user to visit a specially crafted HTML page. This could lead to a complete compromise of the affected system."], "name": "CVE-2026-76040", "public_date": "2026-08-18T20:31:26Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-76040\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-76040\nhttps://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0826575033.html\nhttps://issues.chromium.org/issues/534862220"], "statement": "This Important use-after-free vulnerability in chromium-browser allows a remote attacker to execute arbitrary code outside the browser's sandbox. Exploitation requires social engineering to entice a user to visit a specially crafted HTML page, making user interaction a prerequisite for a successful attack.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,151.0.7922.169)"}}], "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": "2026-08-18T21:30:04.551243+00:00", "title": "Use After Free in Chrome Browser on macOS Enables Arbitrary Code Execution", "updated": "2026-08-18T22:30:04.518710+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}