CVE-2020-1056

HIGH

Microsoft Edge - Privilege Escalation

Title source: llm

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'.

Exploits (1)

nomisec WORKING POC
by PierreAdams · poc
https://github.com/PierreAdams/POC-CVE-2020-1056

Scores

CVSS v3 8.1
EPSS 0.1477
EPSS Percentile 94.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Details

Status published
Products (1)
microsoft/edge
Published May 21, 2020
Tracked Since Feb 18, 2026