CVE-2026-26114

{"id": "CVE-2026-26114", "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": "2026-03-10T18:18:40.413", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26114", "tags": ["Vendor Advisory"], "source": "secure@microsoft.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "secure@microsoft.com", "description": [{"lang": "en", "value": "CWE-502"}]}], "descriptions": [{"lang": "en", "value": "Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network."}, {"lang": "es", "value": "La deserializaci\u00f3n de datos no confiables en Microsoft Office SharePoint permite a un atacante autorizado ejecutar c\u00f3digo a trav\u00e9s de una red."}], "lastModified": "2026-03-13T17:07:21.493", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "F815EF1D-7B60-47BE-9AC2-2548F99F10E4"}, {"criteria": "cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6122D014-5BF1-4AF4-8B4D-80205ED7785E"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com"}