CVE-2025-59287

{"id": "CVE-2025-59287", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "secure@microsoft.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2025-10-14T17:16:11.670", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59287", "source": "secure@microsoft.com"}, {"url": "https://gist.github.com/hawktrace/880b54fb9c07ddb028baaae401bd3951", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-59287", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Undergoing Analysis", "weaknesses": [{"type": "Secondary", "source": "secure@microsoft.com", "description": [{"lang": "en", "value": "CWE-502"}]}], "descriptions": [{"lang": "en", "value": "Deserialization of untrusted data in Windows Server Update Service allows an unauthorized attacker to execute code over a network."}], "lastModified": "2025-10-25T01:00:01.903", "cisaActionDue": "2025-11-14", "cisaExploitAdd": "2025-10-24", "sourceIdentifier": "secure@microsoft.com", "cisaRequiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.", "cisaVulnerabilityName": "Microsoft Windows Server Update Service (WSUS) Deserialization of Untrusted Data Vulnerability"}