CVE-2026-42838

Published May 12, 2026

Last updated 11 days ago

Overview

Description
Improper neutralization of special elements in output used by a downstream component ('injection') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.
Source
secure@microsoft.com
NVD status
Analyzed
Products
edge_chromium

Risk scores

CVSS 3.1

Type
Secondary
Base score
5.4
Impact score
2.5
Exploitability score
2.8
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Severity
MEDIUM

Weaknesses

secure@microsoft.com
CWE-74

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.