CVE-2026-58529

{"id": "CVE-2026-58529", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-58529", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-14T17:45:21.909471Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "secure@microsoft.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 4.2, "exploitabilityScore": 2.8}]}, "affected": [{"source": "secure@microsoft.com", "affectedData": [{"vendor": "Microsoft", "product": "Windows 11 version 26H1", "versions": [{"status": "affected", "version": "10.0.28000.0", "lessThan": "10.0.28000.2525", "versionType": "custom"}], "platforms": ["ARM64-based Systems", "x64-based Systems"]}]}], "published": "2026-07-14T18:18:39.550", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58529", "tags": ["Vendor Advisory", "Patch"], "source": "secure@microsoft.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "secure@microsoft.com", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "Out-of-bounds read in Active Directory Federation Services (AD FS) allows an authorized attacker to disclose information over a network."}], "lastModified": "2026-07-16T13:45:02.420", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*", "vulnerable": true, "matchCriteriaId": "8E90830B-0BD1-4D01-9C7D-0F0E1828A0F5", "versionEndExcluding": "10.0.28000.2525"}, {"criteria": "cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "D335CB65-70DC-4DB1-9519-AF9243EC2FDF", "versionEndExcluding": "10.0.28000.2525"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com"}