CVE-2020-0834

CVE.org · Published

Record status: Published
Identifier year (not publication year): 2020
Source publication: Mar 12, 2020
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)

An elevation of privilege vulnerability exists when Windows improperly handles calls to Advanced Local Procedure Call (ALPC).An attacker who successfully exploited this vulnerability could run arbitrary code in the security context of the local system, aka 'Windows ALPC 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

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

Windows · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
10 Version 1803 for 32-bit Systems	`affected`	Unavailable	Unavailable	Unavailable	None listed
10 Version 1803 for x64-based Systems	`affected`	Unavailable	Unavailable	Unavailable	None listed
10 Version 1803 for ARM64-based Systems	`affected`	Unavailable	Unavailable	Unavailable	None listed
10 Version 1809 for 32-bit Systems	`affected`	Unavailable	Unavailable	Unavailable	None listed
10 Version 1809 for x64-based Systems	`affected`	Unavailable	Unavailable	Unavailable	None listed
10 Version 1809 for ARM64-based Systems	`affected`	Unavailable	Unavailable	Unavailable	None listed
10 Version 1709 for 32-bit Systems	`affected`	Unavailable	Unavailable	Unavailable	None listed
10 Version 1709 for x64-based Systems	`affected`	Unavailable	Unavailable	Unavailable	None listed
10 Version 1709 for ARM64-based Systems	`affected`	Unavailable	Unavailable	Unavailable	None listed
10 for 32-bit Systems	`affected`	Unavailable	Unavailable	Unavailable	None listed
10 for x64-based Systems	`affected`	Unavailable	Unavailable	Unavailable	None listed
10 Version 1607 for 32-bit Systems	`affected`	Unavailable	Unavailable	Unavailable	None listed
10 Version 1607 for x64-based Systems	`affected`	Unavailable	Unavailable	Unavailable	None listed
8.1 for 32-bit systems	`affected`	Unavailable	Unavailable	Unavailable	None listed
8.1 for x64-based systems	`affected`	Unavailable	Unavailable	Unavailable	None listed
RT 8.1	`affected`	Unavailable	Unavailable	Unavailable	None listed

Windows Server

Vendor: Microsoft
Product: Windows Server
Platforms: Unknown
Default status: Unknown

Windows Server · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
version 1803 (Core Installation)	`affected`	Unavailable	Unavailable	Unavailable	None listed
2019	`affected`	Unavailable	Unavailable	Unavailable	None listed
2019 (Core installation)	`affected`	Unavailable	Unavailable	Unavailable	None listed
2016	`affected`	Unavailable	Unavailable	Unavailable	None listed
2016 (Core installation)	`affected`	Unavailable	Unavailable	Unavailable	None listed
2012 R2	`affected`	Unavailable	Unavailable	Unavailable	None listed
2012 R2 (Core installation)	`affected`	Unavailable	Unavailable	Unavailable	None listed

Windows 10 Version 1903 for 32-bit Systems

Vendor: Microsoft
Product: Windows 10 Version 1903 for 32-bit Systems
Platforms: Unknown
Default status: Unknown

Windows 10 Version 1903 for 32-bit Systems · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
unspecified	`affected`	Unavailable	Unavailable	Unavailable	None listed

Windows 10 Version 1903 for x64-based Systems

Vendor: Microsoft
Product: Windows 10 Version 1903 for x64-based Systems
Platforms: Unknown
Default status: Unknown

Windows 10 Version 1903 for x64-based Systems · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
unspecified	`affected`	Unavailable	Unavailable	Unavailable	None listed

Windows 10 Version 1903 for ARM64-based Systems

Vendor: Microsoft
Product: Windows 10 Version 1903 for ARM64-based Systems
Platforms: Unknown
Default status: Unknown

Windows 10 Version 1903 for ARM64-based Systems · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
unspecified	`affected`	Unavailable	Unavailable	Unavailable	None listed

Windows Server, version 1903 (Server Core installation)

Vendor: Microsoft
Product: Windows Server, version 1903 (Server Core installation)
Platforms: Unknown
Default status: Unknown

Windows Server, version 1903 (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)
unspecified	`affected`	Unavailable	Unavailable	Unavailable	None listed

Windows 10 Version 1909 for 32-bit Systems

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

Windows 10 Version 1909 for 32-bit Systems · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
unspecified	`affected`	Unavailable	Unavailable	Unavailable	None listed

Windows 10 Version 1909 for x64-based Systems

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

Windows 10 Version 1909 for x64-based Systems · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
unspecified	`affected`	Unavailable	Unavailable	Unavailable	None listed

Windows 10 Version 1909 for ARM64-based Systems

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

Windows 10 Version 1909 for ARM64-based Systems · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
unspecified	`affected`	Unavailable	Unavailable	Unavailable	None listed

Windows Server, version 1909 (Server Core installation)

Vendor: Microsoft
Product: Windows Server, version 1909 (Server Core installation)
Platforms: Unknown
Default status: Unknown

Windows Server, version 1909 (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)
unspecified	`affected`	Unavailable	Unavailable	Unavailable	None listed