CVE-2026-26136
Received Received - Intake

Command Injection in Microsoft Copilot Leads to Data Disclosure

Publication date: 2026-03-19

Last updated on: 2026-04-01

Assigner: Microsoft Corporation

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

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Meta Information

Published
2026-03-19
Last Modified
2026-04-01
Generated
2026-07-06
AI Q&A
2026-03-19
EPSS Evaluated
2026-07-05
NVD
CVE-2026-26136
EUVD
EUVD-2026-13182

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
microsoft copilot *

Helpful Resources

Exploitability

CWE
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KEV
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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.

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Impact Analysis

The vulnerability can lead to unauthorized disclosure of sensitive information over a network. This means attackers could gain access to confidential data without permission, potentially compromising privacy and security.

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Executive Summary

This vulnerability is a command injection issue in Microsoft Copilot caused by improper neutralization of special elements used in commands. It allows an unauthorized attacker to execute commands that can lead to the disclosure of information over a network.

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