CVE-2026-24299
Command Injection in M365 Copilot Leads to Data Disclosure
Publication date: 2026-03-19
Last updated on: 2026-03-24
Assigner: Microsoft Corporation
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | 365_copilot | * |
Helpful Resources
Exploitability
| 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
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
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