CVE-2026-126871

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-126871", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "state": "PUBLISHED", "assignerShortName": "Chrome", "dateReserved": "2026-11-11T22:09:07.618Z", "datePublished": "2026-11-11T22:38:53.354Z", "dateUpdated": "2026-11-12T17:45:15.358Z"}, "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 Skia in Google Chrome on on Mac prior to 157.0.8103.78 allowed a remote attacker 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": "2026-11-11T22:38:53.354Z"}, "references": [{"url": "https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop_01744469280.html"}, {"url": "https://issues.chromium.org/issues/574218401"}]}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 4.7, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-11-12T17:45:11.389801Z", "id": "CVE-2026-126871", "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": "2026-11-12T17:45:15.358Z"}}]}}

{}

{"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 Skia in Google Chrome on on Mac prior to 157.0.8103.78 allowed a remote attacker to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)"}], "id": "CVE-2026-126871", "lastModified": "2026-11-12T18:17:34.047", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-126871", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-12T17:45:11.389801Z", "version": "2.0.3"}}]}, "published": "2026-11-11T23:17:15.780", "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/574218401"}], "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 crafted HTML page", "id": "2571986", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2571986"}, "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 the Skia graphics library within Chromium. A remote attacker can exploit an out-of-bounds read vulnerability by convincing a user to view a specially crafted HTML page. This flaw allows the attacker to read memory outside the restricted sandbox environment, resulting in unauthorized information disclosure."], "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-2026-126871", "public_date": "2026-11-11T22:38:53Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-126871\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-126871\nhttps://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop_01744469280.html\nhttps://issues.chromium.org/issues/574218401"], "statement": "Red Hat Product Security rates this vulnerability as Important because an unauthenticated remote attacker can bypass sandbox isolation barriers to access sensitive process memory, creating a significant confidentiality risk. Exploitation requires user interaction, as a local user must be persuaded to open a maliciously engineered web document in the browser. In typical workstation deployments where users process external web content, this out-of-bounds condition could expose host memory across boundaries, justifying the higher impact rating despite requiring victim cooperation.", "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": "2026-11-12T17:30:06.329786+00:00", "updated": "2026-11-13T03:00:07.331785+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}