CVE-2021-42291

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)

Active Directory Domain Services Elevation of Privilege 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 Server 2008 R2 Service Pack 1

Vendor: Microsoft
Product: Windows Server 2008 R2 Service Pack 1
Platforms: x64-based Systems
Default status: Unknown

Windows Server 2008 R2 Service Pack 1 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
6.1.7601.0	`affected`	custom	6.1.7601.25769	Unavailable	None listed

Windows Server 2008 R2 Service Pack 1 (Server Core installation)

Vendor: Microsoft
Product: Windows Server 2008 R2 Service Pack 1 (Server Core installation)
Platforms: x64-based Systems
Default status: Unknown

Windows Server 2008 R2 Service Pack 1 (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)
6.1.7601.0	`affected`	custom	6.1.7601.25769	Unavailable	None listed

Windows Server 2008 Service Pack 2

Vendor: Microsoft
Product: Windows Server 2008 Service Pack 2
Platforms: 32-bit Systems
x64-based Systems
Default status: Unknown

Windows Server 2008 Service Pack 2 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
6.0.6003.0	`affected`	custom	6.0.6003.21282	Unavailable	None listed

Windows Server 2008 Service Pack 2 (Server Core installation)

Vendor: Microsoft
Product: Windows Server 2008 Service Pack 2 (Server Core installation)
Platforms: 32-bit Systems
x64-based Systems
Default status: Unknown

Windows Server 2008 Service Pack 2 (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)
6.0.6003.0	`affected`	custom	6.0.6003.21282	Unavailable	None listed

Windows Server 2012

Vendor: Microsoft
Product: Windows Server 2012
Platforms: x64-based Systems
Default status: Unknown

Windows Server 2012 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
6.2.9200.0	`affected`	custom	6.2.9200.23517	Unavailable	None listed

Windows Server 2012 (Server Core installation)

Vendor: Microsoft
Product: Windows Server 2012 (Server Core installation)
Platforms: x64-based Systems
Default status: Unknown

Windows Server 2012 (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)
6.2.9200.0	`affected`	custom	6.2.9200.23517	Unavailable	None listed

Windows Server 2012 R2

Vendor: Microsoft
Product: Windows Server 2012 R2
Platforms: x64-based Systems
Default status: Unknown

Windows Server 2012 R2 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
6.3.9600.0	`affected`	custom	6.3.9600.20174	Unavailable	None listed

Windows Server 2012 R2 (Server Core installation)

Vendor: Microsoft
Product: Windows Server 2012 R2 (Server Core installation)
Platforms: x64-based Systems
Default status: Unknown

Windows Server 2012 R2 (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)
6.3.9600.0	`affected`	custom	6.3.9600.20174	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 2016 (Server Core installation)

Vendor: Microsoft
Product: Windows Server 2016 (Server Core installation)
Platforms: x64-based Systems
Default status: Unknown

Windows Server 2016 (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)
10.0.14393.0	`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 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)
10.0.17763.0	`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	10.0.19041.1348	Unavailable	None listed