CVE-2020-1056

Microsoft Edge Elevation of Privilege Vulnerability

MEDIUM
5.4
CVSS Score
Published: May 21, 2020 at 10:52 PM UTC
Updated: August 19, 2026 at 05:35 PM UTC
4 products affected across 1 vendorEdgeWindows Server 2016Windows Server 2019

Using Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for 32-bit Systems by Microsoft?

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Severity
MEDIUM5.4
Exploit prediction
EPSS 2%

Description

An elevation of privilege vulnerability exists when Microsoft Edge does not properly enforce cross-domain policies, which could allow an attacker to access information from one domain and inject it into another domain.In a web-based attack scenario, an attacker could host a website that is used to attempt to exploit the vulnerability, aka 'Microsoft Edge Elevation of Privilege Vulnerability'.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

1.0..0 ≤ v < publication1.0..0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
microsoft-windows-10 (environment) · microsoft-windows-server-2016 (environment) · microsoft-windows-server-2019 (environment)
All versions
All versions
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

5.4MEDIUMmicrosoft
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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