CVE-2021-42279

CVE.org · Published

Historical CVEs JSON AI instructions

Record status: Published
Identifier year (not publication year): 2021
Source publication: Nov 10, 2021
Source updated: Aug 19, 2026
Imported by cveboard: Oct 24, 2026
Source snapshot: cve_2026-10-24_midnight_baseline · Oct 24, 2026

Plain text

CNA source text (English)

Chakra Scripting Engine Memory Corruption Vulnerability

Scoped product and version facts

Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.

Exploitation unknown; this catalogue does not assess exploitation.

ChakraCore

Vendor: Microsoft
Product: ChakraCore
Platforms: Unknown
Default status: Unknown

ChakraCore · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
-	`affected`	Unavailable	Unavailable	Unavailable	None listed

Windows 10 Version 1507

Vendor: Microsoft
Product: Windows 10 Version 1507
Platforms: 32-bit Systems
x64-based Systems
Default status: Unknown

Windows 10 Version 1507 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.10240.0	`affected`	custom	10.0.10240.19119	Unavailable	None listed

Windows 10 Version 1607

Vendor: Microsoft
Product: Windows 10 Version 1607
Platforms: 32-bit Systems
x64-based Systems
Default status: Unknown

Windows 10 Version 1607 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.14393.0	`affected`	custom	10.0.14393.4770	Unavailable	None listed

Windows 10 Version 1809

Vendor: Microsoft
Product: Windows 10 Version 1809
Platforms: ARM64-based Systems
Default status: Unknown

Windows 10 Version 1809 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.0	`affected`	custom	10.0.17763.2300	Unavailable	None listed

Windows 10 Version 1809

Vendor: Microsoft
Product: Windows 10 Version 1809
Platforms: 32-bit Systems
x64-based Systems
Default status: Unknown

Windows 10 Version 1809 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.17763.0	`affected`	custom	10.0.17763.2300	Unavailable	None listed

Windows 10 Version 1909

Vendor: Microsoft
Product: Windows 10 Version 1909
Platforms: 32-bit Systems
ARM64-based Systems
x64-based Systems
Default status: Unknown

Windows 10 Version 1909 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.0	`affected`	custom	10.0.18363.1916	Unavailable	None listed

Windows 10 Version 2004

Vendor: Microsoft
Product: Windows 10 Version 2004
Platforms: 32-bit Systems
ARM64-based Systems
x64-based Systems
Default status: Unknown

Windows 10 Version 2004 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.0	`affected`	custom	10.0.19041.1348	Unavailable	None listed

Windows 10 Version 20H2

Vendor: Microsoft
Product: Windows 10 Version 20H2
Platforms: 32-bit Systems
ARM64-based Systems
Default status: Unknown

Windows 10 Version 20H2 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.0	`affected`	custom	10.0.19042.1348	Unavailable	None listed

Windows 10 Version 21H1

Vendor: Microsoft
Product: Windows 10 Version 21H1
Platforms: 32-bit Systems
ARM64-based Systems
x64-based Systems
Default status: Unknown

Windows 10 Version 21H1 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.0	`affected`	custom	10.0.19043.1348	Unavailable	None listed

Windows 11 version 21H2

Vendor: Microsoft
Product: Windows 11 version 21H2
Platforms: ARM64-based Systems
x64-based Systems
Default status: Unknown

Windows 11 version 21H2 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.22000.0	`affected`	custom	10.0.22000.318	Unavailable	None listed

Windows Server 2016

Vendor: Microsoft
Product: Windows Server 2016
Platforms: x64-based Systems
Default status: Unknown

Windows Server 2016 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.14393.0	`affected`	custom	10.0.14393.4770	Unavailable	None listed

Windows Server 2019

Vendor: Microsoft
Product: Windows Server 2019
Platforms: x64-based Systems
Default status: Unknown

Windows Server 2019 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.17763.0	`affected`	custom	10.0.17763.2300	Unavailable	None listed

Windows Server 2022

Vendor: Microsoft
Product: Windows Server 2022
Platforms: x64-based Systems
Default status: Unknown

Windows Server 2022 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.20348.0	`affected`	custom	10.0.20348.350	Unavailable	None listed

Windows Server version 2004

Vendor: Microsoft
Product: Windows Server version 2004
Platforms: x64-based Systems
Default status: Unknown

Windows Server version 2004 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.0	`affected`	custom	10.0.19041.1348	Unavailable	None listed

Windows Server version 20H2

Vendor: Microsoft
Product: Windows Server version 20H2
Platforms: x64-based Systems
Default status: Unknown

Windows Server version 20H2 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.0	`affected`	custom	10.0.19042.1348	Unavailable	None listed