CVE-2020-1571

Windows Setup Elevation of Privilege Vulnerability

Published Aug 17, 2020 CVSS 3.1 · 7.3 High EPSS 1.1% KEV · Not listed

Description

An elevation of privilege vulnerability exists in Windows Setup in the way it handles permissions.
A locally authenticated attacker could run arbitrary code with elevated system privileges. After successfully exploiting the vulnerability, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
The security update addresses the vulnerability by ensuring Windows Setup properly handles permissions.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Microsoft

Windows 10 Version 2004

affected

Version	Status	Constraints
`N/A`	affected	—

Microsoft

Windows 10 Version 1803

affected

Version	Status	Constraints
`N/A`	affected	—

Microsoft

Windows 10 Version 1809

affected

Version	Status	Constraints
`N/A`	affected	—

Microsoft

Windows 10 Version 1909

affected

Version	Status	Constraints
`N/A`	affected	—

Microsoft

Windows 10 Version 1903 for 32-bit Systems

affected

Version	Status	Constraints
`N/A`	affected	—

Microsoft

Windows 10 Version 1903 for x64-based Systems

affected

Version	Status	Constraints
`N/A`	affected	—

Microsoft

Windows 10 Version 1903 for ARM64-based Systems

affected

Version	Status	Constraints
`N/A`	affected	—

Configuration 1 [-]

OR	cpe:2.3:o:microsoft:windows_10:1803:::::::*
	cpe:2.3:o:microsoft:windows_10:1809:::::::*
	cpe:2.3:o:microsoft:windows_10:1903:::::::*
	cpe:2.3:o:microsoft:windows_10:1909:::::::*
	cpe:2.3:o:microsoft:windows_10:2004:::::::*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

Source	ID	Title
EUVD	EUVD-2020-12445	An elevation of privilege vulnerability exists in Windows Setup in the way it handles permissions. A locally authenticated attacker could run arbitrary code with elevated system privileges. After successfully exploiting the vulnerability, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. The security update addresses the vulnerability by ensuring Windows Setup properly handles permissions.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

Exploit prediction score: 1.1% (1.076% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1571

History

Feb 23, 2026 6:15 PM Description updated View changes

Type	Values Removed	Values Added
Description	An elevation of privilege vulnerability exists in Windows Setup in the way it handles permissions. A locally authenticated attacker could run arbitrary code with elevated system privileges. After successfully exploiting the vulnerability, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. The security update addresses the vulnerability by ensuring Windows Setup properly handles permissions.	An elevation of privilege vulnerability exists in Windows Setup in the way it handles permissions. A locally authenticated attacker could run arbitrary code with elevated system privileges. After successfully exploiting the vulnerability, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. The security update addresses the vulnerability by ensuring Windows Setup properly handles permissions.