{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2022-40733", "ASSIGNER": "talos-cna@cisco.com", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "An access violation vulnerability exists in the DirectComposition functionality win32kbase.sys driver version 10.0.22000.593 as part of Windows 11 version 22000.593 and version 10.0.20348.643 as part of Windows Server 2022 version 20348.643. A specially-crafted set of syscalls can lead to a reboot. An unprivileged user can run specially-crafted code to trigger Denial Of Service." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-476: NULL Pointer Dereference", "cweId": "CWE-476" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Microsoft", "product": { "product_data": [ { "product_name": "Windows", "version": { "version_data": [ { "version_affected": "=", "version_value": "Build 22000.593" } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2022-1515", "refsource": "MISC", "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2022-1515" } ] }, "credits": [ { "lang": "en", "value": "Discovered by Jaewon Min of Cisco Talos." } ], "impact": { "cvss": [ { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5, "baseSeverity": "MEDIUM" } ] } }