{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-126913", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "state": "PUBLISHED", "assignerShortName": "Chrome", "dateReserved": "2026-11-11T22:11:18.100Z", "datePublished": "2026-11-11T22:39:05.958Z", "dateUpdated": "2026-11-12T17:35:39.312Z"}, "containers": {"cna": {"affected": [{"vendor": "Google", "product": "Chrome", "versions": [{"version": "157.0.8103.78", "status": "affected", "lessThan": "157.0.8103.78", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Out of bounds read in Compositing in Google Chrome prior to 157.0.8103.78 allowed a remote attacker who had compromised the renderer process to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Out of bounds read", "cweId": "CWE-125"}]}], "providerMetadata": {"orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "shortName": "Chrome", "dateUpdated": "2026-11-11T22:39:05.958Z"}, "references": [{"url": "https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop_01744469280.html"}, {"url": "https://issues.chromium.org/issues/580875215"}]}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 3.4, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-11-12T17:35:23.723339Z", "id": "CVE-2026-126913", "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": "2026-11-12T17:35:39.312Z"}}]}}

{}

{"affected": [{"affectedData": [{"product": "Chrome", "vendor": "Google", "versions": [{"lessThan": "157.0.8103.78", "status": "affected", "version": "157.0.8103.78", "versionType": "custom"}]}], "source": "chrome-cve-admin@google.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Out of bounds read in Compositing in Google Chrome prior to 157.0.8103.78 allowed a remote attacker who had compromised the renderer process to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)"}], "id": "CVE-2026-126913", "lastModified": "2026-11-12T18:17:37.467", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.4, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 1.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-126913", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-12T17:35:23.723339Z", "version": "2.0.3"}}]}, "published": "2026-11-11T23:17:21.513", "references": [{"source": "chrome-cve-admin@google.com", "url": "https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop_01744469280.html"}, {"source": "chrome-cve-admin@google.com", "url": "https://issues.chromium.org/issues/580875215"}], "sourceIdentifier": "chrome-cve-admin@google.com", "vulnStatus": "Undergoing Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "chrome-cve-admin@google.com", "type": "Secondary"}]}

{"bugzilla": {"description": "chromium-browser: chromium-browser: information disclosure via out-of-bounds read in compositing", "id": "2571959", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2571959"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.4", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-125", "details": ["A flaw was found in chromium-browser. An out-of-bounds read vulnerability in the compositing component allows a remote attacker who has already compromised the renderer process to access memory outside the restricted security sandbox by convincing a user to visit a specially crafted HTML page. This flaw primarily leads to unauthorized information disclosure, which may assist an attacker in bypassing security boundaries."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-126913", "public_date": "2026-11-11T22:39:05Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-126913\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-126913\nhttps://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop_01744469280.html\nhttps://issues.chromium.org/issues/580875215"], "statement": "This vulnerability is rated as Important severity because it facilitates a sandbox escape to access memory outside the restricted renderer environment, elevating an initial compromise to higher-privileged information disclosure. In Red Hat Enterprise Linux desktop environments where the Chromium browser is deployed, exploitation requires a user to load malicious web content alongside a prior or chained renderer exploit. Systems running headless or server installations without desktop graphical browser usage are not exposed.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,157.0.8103.78)"}}], "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": "2026-11-12T18:30:07.052585+00:00", "updated": "2026-11-13T03:15:13.786314+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}