{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2021-42279", "ASSIGNER": "secure@microsoft.com", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "Chakra Scripting Engine Memory Corruption Vulnerability" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Remote Code Execution" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Microsoft", "product": { "product_data": [ { "product_name": "ChakraCore", "version": { "version_data": [ { "version_affected": "=", "version_value": "N/A" } ] } }, { "product_name": "Windows 10 Version 21H1", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "10.0.19043.1348" } ] } }, { "product_name": "Windows 11 version 21H2", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "10.0.22000.318" } ] } }, { "product_name": "Windows Server 2022", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "10.0.20348.350" } ] } }, { "product_name": "Windows Server version 20H2", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "10.0.19042.1348" } ] } }, { "product_name": "Windows 10 Version 1909", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "10.0.18363.1916" } ] } }, { "product_name": "Windows 10 Version 20H2", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "10.0.19042.1348" } ] } }, { "product_name": "Windows 10 Version 2004", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "10.0.19041.1348" } ] } }, { "product_name": "Windows 10 Version 1507", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "10.0.10240.19119" } ] } }, { "product_name": "Windows Server version 2004", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "10.0.19041.1348" } ] } }, { "product_name": "Windows 10 Version 1607", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "10.0.14393.4770" } ] } }, { "product_name": "Windows Server 2019", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "10.0.17763.2300" } ] } }, { "product_name": "Windows 10 Version 1809", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "10.0.17763.2300" } ] } }, { "product_name": "Windows Server 2016", "version": { "version_data": [ { "version_affected": "<", "version_name": "10.0.0", "version_value": "10.0.14393.4770" } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42279", "refsource": "MISC", "name": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42279" } ] }, "impact": { "cvss": [ { "version": "3.1", "baseSeverity": "MEDIUM", "baseScore": 4.2, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C" } ] } }