{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-103623", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "state": "PUBLISHED", "assignerShortName": "Chrome", "dateReserved": "2026-09-30T23:12:15.202Z", "datePublished": "2026-10-02T16:07:56.124Z", "dateUpdated": "2026-10-06T17:55:21.360Z"}, "containers": {"cna": {"affected": [{"vendor": "Google", "product": "Chrome", "versions": [{"version": "154.0.8037.97", "status": "affected", "lessThan": "154.0.8037.97", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Use after free in MediaStream in Google Chrome prior to 154.0.8037.97 allowed a remote attacker to execute arbitrary code inside 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": "2026-10-02T16:07:56.124Z"}, "references": [{"url": "https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop.html"}, {"url": "https://issues.chromium.org/issues/565742180"}]}, "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": "2026-10-03T03:55:40.528755Z", "id": "CVE-2026-103623", "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": "2026-10-06T17:55:21.360Z"}}]}}

{}

{"affected": [{"affectedData": [{"product": "Chrome", "vendor": "Google", "versions": [{"lessThan": "154.0.8037.97", "status": "affected", "version": "154.0.8037.97", "versionType": "custom"}]}], "source": "chrome-cve-admin@google.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "matchCriteriaId": "CDD43B4E-5F40-49ED-9502-7ED4D6F509F6", "versionEndExcluding": "154.0.8037.97", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Use after free in MediaStream in Google Chrome prior to 154.0.8037.97 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)"}], "id": "CVE-2026-103623", "lastModified": "2026-10-06T19:12:52.737", "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-2026-103623", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-03T03:55:40.528755Z", "version": "2.0.3"}}]}, "published": "2026-10-02T16:16:43.400", "references": [{"source": "chrome-cve-admin@google.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop.html"}, {"source": "chrome-cve-admin@google.com", "tags": ["Permissions Required"], "url": "https://issues.chromium.org/issues/565742180"}], "sourceIdentifier": "chrome-cve-admin@google.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "chrome-cve-admin@google.com", "type": "Secondary"}]}

{"bugzilla": {"description": "chromium-browser: Use after free in MediaStream", "id": "2545285", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2545285"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["Use after free in MediaStream in Google Chrome prior to 154.0.8037.97 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)", "An use after free flaw was found in the MediaStream component of the Chromium browser.\nUpstream bug(s):\nhttps://issues.chromium.org/issues/565742180"], "name": "CVE-2026-103623", "public_date": "2026-10-02T16:07:56Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-103623\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-103623\nhttps://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop.html\nhttps://issues.chromium.org/issues/565742180"], "statement": "Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.", "threat_severity": "Important"}