CVE-2026-34327

{"id": "CVE-2026-34327", "cveTags": [{"tags": ["exclusively-hosted-service"], "sourceIdentifier": "secure@microsoft.com"}], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "secure@microsoft.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 4.2, "exploitabilityScore": 3.9}]}, "published": "2026-05-07T22:16:34.540", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34327", "tags": ["Vendor Advisory"], "source": "secure@microsoft.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "secure@microsoft.com", "description": [{"lang": "en", "value": "CWE-610"}]}], "descriptions": [{"lang": "en", "value": "Externally controlled reference to a resource in another sphere in Microsoft Partner Center allows an unauthorized attacker to perform spoofing over a network."}], "lastModified": "2026-05-08T20:03:28.287", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:partner_center:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A400A527-15CD-4F9D-A42D-A453ABE04769"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com"}