CVE-2021-42279

MediumCVSS 4.2/10Last modified Aug 19, 2026

Description

Chakra Scripting Engine Memory Corruption Vulnerability

Metrics

CVSS 3.1 4.2/10CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-787

Affected software

VendorProductVersions
MicrosoftChakraCore-
MicrosoftWindows 10 Version 1507>= 10.0.10240.0, < 10.0.10240.19119
MicrosoftWindows 10 Version 1607>= 10.0.14393.0, < 10.0.14393.4770
MicrosoftWindows 10 Version 1809>= 10.0.0, < 10.0.17763.2300
MicrosoftWindows 10 Version 1809>= 10.0.17763.0, < 10.0.17763.2300
MicrosoftWindows 10 Version 1909>= 10.0.0, < 10.0.18363.1916
MicrosoftWindows 10 Version 2004>= 10.0.0, < 10.0.19041.1348
MicrosoftWindows 10 Version 20H2>= 10.0.0, < 10.0.19042.1348
MicrosoftWindows 10 Version 21H1>= 10.0.0, < 10.0.19043.1348
MicrosoftWindows 11 version 21H2>= 10.0.22000.0, < 10.0.22000.318
MicrosoftWindows Server 2016>= 10.0.14393.0, < 10.0.14393.4770
MicrosoftWindows Server 2019>= 10.0.17763.0, < 10.0.17763.2300
MicrosoftWindows Server 2022>= 10.0.20348.0, < 10.0.20348.350
MicrosoftWindows Server version 2004>= 10.0.0, < 10.0.19041.1348
MicrosoftWindows Server version 20H2>= 10.0.0, < 10.0.19042.1348

References

Timeline

Published
Nov 10, 2021
Last modified
Aug 19, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-42287.4Use of hard-coded TLS certificate by default allows an attacker to perform Man-in-the-Middle (MitM) attacks even in the presence of the HTTPCVE-2021-422805.5Windows Feedback Hub Elevation of Privilege VulnerabilityCVE-2021-422827.5Active Directory Domain Services Elevation of Privilege VulnerabilityCVE-2021-422838.8NTFS Elevation of Privilege VulnerabilityCVE-2021-422846.8Windows Hyper-V Denial of Service VulnerabilityCVE-2021-422857.8Windows Kernel Elevation of Privilege VulnerabilityCVE-2021-422867.8Windows Core Shell SI Host Extension Framework for Composable Shell Elevation of Privilege VulnerabilityCVE-2021-422877.5Active Directory Domain Services Elevation of Privilege VulnerabilityCVE-2021-422885.7Windows Hello Security Feature Bypass VulnerabilityCVE-2021-42298.8A vulnerability was found in ua-parser-js 0.7.29/0.8.0/1.0.0. It has been rated as critical. This issue affects the crypto mining component CVE-2021-422917.5Active Directory Domain Services Elevation of Privilege VulnerabilityCVE-2021-422927.8Microsoft Excel Security Feature Bypass Vulnerability
CVE-2021-42279: Medium severity, CVSS 4.2 | Vulnix