CVE-2026-45504

{"id": "CVE-2026-45504", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "secure@microsoft.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2026-06-09T17:17:26.257", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45504", "tags": ["Vendor Advisory"], "source": "secure@microsoft.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "secure@microsoft.com", "description": [{"lang": "en", "value": "CWE-918"}]}], "descriptions": [{"lang": "en", "value": "Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network."}], "lastModified": "2026-06-15T19:20:48.420", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_23:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FF76AEDA-E574-40ED-B64F-8FDEF8CAC802"}, {"criteria": "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_14:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8C98993B-82A5-48CC-947F-896CEA0CDB7F"}, {"criteria": "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_15:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7166BCE0-1D55-46B2-96B9-250AB4BB6291"}, {"criteria": "cpe:2.3:a:microsoft:exchange_server_subscription_edition:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A4DB559B-001D-487D-8EA2-36F8AD7BAF51", "versionEndExcluding": "15.02.2562.043"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com"}