CVE-2026-8586

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{"affected": [{"affectedData": [{"product": "Chrome", "vendor": "Google", "versions": [{"lessThan": "148.0.7778.168", "status": "affected", "version": "148.0.7778.168", "versionType": "custom"}]}], "source": "chrome-cve-admin@google.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "matchCriteriaId": "86EDE1E0-DF74-4867-802F-A9C2112DD560", "versionEndExcluding": "148.0.7778.168", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Inappropriate implementation in Chromoting in Google Chrome prior to 148.0.7778.168 allowed a local attacker to bypass discretionary access control via a malicious file. (Chromium security severity: Medium)"}, {"lang": "es", "value": "Implementaci\u00f3n inapropiada en Chromoting en Google Chrome anterior a 148.0.7778.168 permiti\u00f3 a un atacante local eludir el control de acceso discrecional mediante un archivo malicioso. (Gravedad de seguridad de Chromium: Media)"}], "id": "CVE-2026-8586", "lastModified": "2026-10-26T14:10:00.130", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "LOW", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 3.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-8586", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-15T13:42:10.372325Z", "version": "2.0.3"}}]}, "published": "2026-05-14T20:17:20.990", "references": [{"source": "chrome-cve-admin@google.com", "tags": ["Vendor Advisory"], "url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html"}, {"source": "chrome-cve-admin@google.com", "tags": ["Permissions Required"], "url": "https://issues.chromium.org/issues/499154022"}], "sourceIdentifier": "chrome-cve-admin@google.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "chromium-browser: chromium-browser: Inappropriate implementation in Chromoting", "id": "2477616", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2477616"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.9", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N", "status": "draft"}, "cwe": "CWE-639", "details": ["An inappropriate implementation flaw was found in the Chromoting component of the Chromium browser.\nUpstream bug(s):\nhttps://code.google.com/p/chromium/issues/detail?id=499154022"], "name": "CVE-2026-8586", "public_date": "2026-05-14T19:52:44Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-8586\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-8586\nhttps://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html\nhttps://issues.chromium.org/issues/499154022"], "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": "[0,148.0.7778.168)"}}], "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": "2026-05-14T22:15:15.628782+00:00", "updated": "2026-05-15T16:15:03.726302+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}