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
2026-05-07
AI Q&A
2026-03-19
EPSS Evaluated
2026-05-05
NVD
EUVD
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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AI Powered Q&A
How can this vulnerability impact me? :

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.


How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:

I don't know


How can this vulnerability be detected on my network or system? Can you suggest some commands?

I don't know


What immediate steps should I take to mitigate this vulnerability?

I don't know


Can you explain this vulnerability to me?

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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