CVE-2026-58291

{"id": "CVE-2026-58291", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-58291", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-06T15:29:18.331982Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "secure@microsoft.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 4.0, "exploitabilityScore": 1.6}]}, "affected": [{"source": "secure@microsoft.com", "affectedData": [{"vendor": "Microsoft", "product": "Microsoft Edge (Chromium-based)", "versions": [{"status": "affected", "version": "1.0.0.0", "lessThan": "150.0.4078.48", "versionType": "custom"}]}]}], "published": "2026-07-03T21:17:03.890", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58291", "tags": ["Vendor Advisory"], "source": "secure@microsoft.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "secure@microsoft.com", "description": [{"lang": "en", "value": "CWE-672"}]}], "descriptions": [{"lang": "en", "value": "Operation on a resource after expiration or release in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network."}], "lastModified": "2026-07-06T19:52:00.570", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "48F2BF1A-3594-4AC0-B74D-FA7BF3259AC4", "versionEndExcluding": "150.0.4078.48"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com"}