CVE-2026-83746

{"id": "CVE-2026-83746", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-83746", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-10-13T20:31:53.146326Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "secure@microsoft.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 5.2, "exploitabilityScore": 2.8}]}, "affected": [{"source": "secure@microsoft.com", "affectedData": [{"vendor": "Microsoft", "product": "Skype for Business Server 2015 CU13", "versions": [{"status": "affected", "version": "9319.0", "lessThan": "6.0.9319.886", "versionType": "custom"}], "platforms": ["x64-based Systems"]}, {"vendor": "Microsoft", "product": "Skype for Business Server 2019 CU8", "versions": [{"status": "affected", "version": "2046.0", "lessThan": "7.0.2046.583", "versionType": "custom"}], "platforms": ["x64-based Systems"]}, {"vendor": "Microsoft", "product": "Skype for Business Server Subscription Edition CU1", "versions": [{"status": "affected", "version": "2046.0", "lessThan": "7.0.2046.889", "versionType": "custom"}], "platforms": ["x64-based Systems"]}]}], "published": "2026-10-13T19:20:20.157", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83746", "source": "secure@microsoft.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "secure@microsoft.com", "description": [{"lang": "en", "value": "CWE-36"}]}], "descriptions": [{"lang": "en", "value": "Absolute path traversal in Skype for Business and Microsoft Lync allows an authorized attacker to elevate privileges over a network."}], "lastModified": "2026-10-13T21:18:44.960", "sourceIdentifier": "secure@microsoft.com"}