{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-17858", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "state": "PUBLISHED", "assignerShortName": "Chrome", "dateReserved": "2026-07-27T23:35:05.877Z", "datePublished": "2026-07-30T00:19:41.005Z", "dateUpdated": "2026-07-30T14:35:12.585Z"}, "containers": {"cna": {"affected": [{"vendor": "Google", "product": "Chrome", "versions": [{"version": "151.0.7922.72", "status": "affected", "lessThan": "151.0.7922.72", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Uninitialized Use in WebNN in Google Chrome on Windows prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Uninitialized Use", "cweId": "CWE-457"}]}], "providerMetadata": {"orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "shortName": "Chrome", "dateUpdated": "2026-07-30T00:19:41.005Z"}, "references": [{"url": "https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html"}, {"url": "https://issues.chromium.org/issues/520191468"}]}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-07-30T13:42:26.659548Z", "id": "CVE-2026-17858", "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": "2026-07-30T14:35:12.585Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-17858", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "state": "PUBLISHED", "assignerShortName": "Chrome", "dateReserved": "2026-07-27T23:35:05.877Z", "datePublished": "2026-07-30T00:19:41.005Z", "dateUpdated": "2026-07-30T00:19:41.005Z"}, "containers": {"cna": {"affected": [{"vendor": "Google", "product": "Chrome", "versions": [{"version": "151.0.7922.72", "status": "affected", "lessThan": "151.0.7922.72", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Uninitialized Use in WebNN in Google Chrome on Windows prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Uninitialized Use", "cweId": "CWE-457"}]}], "providerMetadata": {"orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "shortName": "Chrome", "dateUpdated": "2026-07-30T00:19:41.005Z"}, "references": [{"url": "https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html"}, {"url": "https://issues.chromium.org/issues/520191468"}]}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-17858", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-30T13:23:44.789772Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-346", "description": "CWE-346 Origin Validation Error"}]}], "providerMetadata": {"shortName": "CISA-ADP", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "dateUpdated": "2026-07-30T13:23:43.968Z"}, "title": "CISA ADP Vulnrichment"}]}}

{}

{"bugzilla": {"description": "chromium-browser: chromium-browser: Uninitialized Use in WebNN", "id": "2509020", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2509020"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-824", "details": ["An uninitialized use flaw was found in the WebNN component of the Chromium browser.\nUpstream bug(s):\nhttps://code.google.com/p/chromium/issues/detail?id=520191468"], "name": "CVE-2026-17858", "public_date": "2026-07-30T00:19:41Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-17858\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-17858\nhttps://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html\nhttps://issues.chromium.org/issues/520191468"], "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": "[151.0.7922.72,151.0.7922.72)"}}], "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": "2026-07-30T04:30:04.755166+00:00", "updated": "2026-07-30T04:30:04.755191+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}