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CVE-2021-43246

CVE.org · Published

Historical CVEs JSON AI instructions

Record status: Published
Identifier year (not publication year): 2021
Source publication: Dec 15, 2021
Source updated: Aug 4, 2024
Imported by cveboard: Oct 24, 2026
Source snapshot: cve_2026-10-24_midnight_baseline · Oct 24, 2026

CNA source text (English)

Windows Hyper-V Denial of Service Vulnerability

Windows Hyper-V Denial of Service 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.

Windows 10 Version 1809

Vendor: Microsoft
Product: Windows 10 Version 1809
Platforms: 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)
10.0.0	`affected`	custom	10.0.17763.2366	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)
10.0.0	`affected`	custom	10.0.17763.2366	Unavailable	None listed

Windows Server 2019 (Server Core installation)

Vendor: Microsoft
Product: Windows Server 2019 (Server Core installation)
Platforms: x64-based Systems
Default status: Unknown

Windows Server 2019 (Server Core installation) · 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	10.0.17763.2366	Unavailable	None listed

Windows 10 Version 1909

Vendor: Microsoft
Product: Windows 10 Version 1909
Platforms: 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	10.0.18363.1977	Unavailable	None listed

Windows 10 Version 21H1

Vendor: Microsoft
Product: Windows 10 Version 21H1
Platforms: 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	10.0.19043.1415	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)
10.0.0	`affected`	custom	10.0.20348.405	Unavailable	None listed

Windows 10 Version 2004

Vendor: Microsoft
Product: Windows 10 Version 2004
Platforms: 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	10.0.19041.1415	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	10.0.19041.1415	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	10.0.19042.1415	Unavailable	None listed

Windows 11 version 21H2

Vendor: Microsoft
Product: Windows 11 version 21H2
Platforms: 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)
10.0.0	`affected`	custom	10.0.22000.376	Unavailable	None listed

Windows 10 Version 21H2

Vendor: Microsoft
Product: Windows 10 Version 21H2
Platforms: 32-bit Systems
Default status: Unknown

Windows 10 Version 21H2 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10.0.0	`affected`	custom	10.0.19044.1415	Unavailable	None listed