CVE-2025-49751

{"id": "CVE-2025-49751", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "secure@microsoft.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 4.0, "exploitabilityScore": 2.3}]}, "published": "2025-08-12T18:15:30.830", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49751", "tags": ["Vendor Advisory"], "source": "secure@microsoft.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "secure@microsoft.com", "description": [{"lang": "en", "value": "CWE-820"}]}], "descriptions": [{"lang": "en", "value": "Missing synchronization in Windows Hyper-V allows an authorized attacker to deny service over an adjacent network."}, {"lang": "es", "value": "La falta de sincronizaci\u00f3n en Windows Hyper-V permite que un atacante autorizado deniegue el servicio en una red adyacente."}], "lastModified": "2025-08-15T17:49:15.250", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "4E2D87DA-8EFF-4BB0-B025-A13C3F523BD1", "versionEndExcluding": "10.0.14393.8330"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "3A513AB8-ED03-4BCF-8077-09A117254263", "versionEndExcluding": "10.0.17763.7678"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "B233BE2C-C79F-4CE3-9D33-17B5AEFF76DC", "versionEndExcluding": "10.0.19044.6216"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "45825585-E782-4A4A-8228-871050C70ABB", "versionEndExcluding": "10.0.19045.6216"}, {"criteria": "cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B07546D0-ED2A-4B93-83E7-EA808DC39724", "versionEndExcluding": "10.0.22621.5768"}, {"criteria": "cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "49E4DFC9-7EB4-4577-83C0-D1E94C2A8D97", "versionEndExcluding": "10.0.22631.5768"}, {"criteria": "cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6376F067-CC36-4A7B-914B-0A60EFF1AC48", "versionEndExcluding": "10.0.26100.4851"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CD31CC61-6C1C-4232-87D7-E5B4FEBB1276", "versionEndExcluding": "10.0.14393.8330"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D224ABEA-CCE3-4D7D-86B5-5BEDBF83303B", "versionEndExcluding": "10.0.17763.7678"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F752199D-6C01-4D8E-BD6C-3031E5CAED20", "versionEndExcluding": "10.0.20348.3989"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "94E45649-92F4-4D4C-9D94-275506530222", "versionEndExcluding": "10.0.25398.1791"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B75BE97E-C12D-4DFB-B5F2-B8BF90C3E64E", "versionEndExcluding": "10.0.26100.4851"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com"}