CVE-2026-24299
Received Received - Intake

Command Injection in M365 Copilot Leads to Data Disclosure

Vulnerability report for CVE-2026-24299, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-03-19

Last updated on: 2026-03-24

Assigner: Microsoft Corporation

Description

Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to disclose information over a network.

CVSS Scores

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Meta Information

Published
2026-03-19
Last Modified
2026-03-24
Generated
2026-07-06
AI Q&A
2026-03-19
EPSS Evaluated
2026-07-05
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
microsoft 365_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.

Attack-Flow Graph

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Executive Summary

This vulnerability is a command injection issue in Microsoft 365 Copilot. It occurs because special elements used in commands are not properly neutralized, which means an attacker can inject malicious commands.

As a result, an unauthorized attacker can exploit this flaw to disclose information over a network.

Impact Analysis

The primary impact of this vulnerability is information disclosure. An attacker who successfully exploits this vulnerability can gain unauthorized access to sensitive information transmitted over a network.

Compliance Impact

I don't know

Detection Guidance

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Mitigation Strategies

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