Command Injection in Microsoft Edge Copilot Chat

Publication date: 2026-05-07

Last updated on: 2026-05-07

Assigner: Microsoft Corporation

Description

Improper neutralization of special elements used in a command ('command injection') in Copilot Chat (Microsoft Edge) allows an unauthorized attacker to disclose information over a network.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-05-07

Last Modified

2026-05-07

Generated

2026-07-09

AI Q&A

2026-05-08

EPSS Evaluated

2026-07-08

NVD

CVE-2026-33111

EUVD

EUVD-2026-28449

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	copilot_chat	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-77	The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

Attack-Flow Graph

Executive Summary

This vulnerability is a command injection issue in Copilot Chat within Microsoft Edge. It occurs because special elements used in commands are not properly neutralized, allowing an unauthorized attacker to execute commands that can disclose information over a network.

Impact Analysis

The vulnerability can lead to unauthorized disclosure of sensitive information over a network. Since the attacker can inject commands, they may be able to access data that should be protected, potentially compromising confidentiality.

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