Command Injection Vulnerability in M365 Copilot by Microsoft
CVE-2026-24299

5.3MEDIUM

Key Information:

Vendor

Microsoft
Status
Microsoft 365 Copilot
Vendor
CVE Published:
19 March 2026

What is CVE-2026-24299?

The M365 Copilot product from Microsoft contains a vulnerability that stems from improper neutralization of special elements in commands, enabling unauthorized attackers to potentially disclose sensitive information over a network. This flaw poses a risk to the integrity of data handled by the Copilot, necessitating immediate attention and remediation to protect users and systems.

Affected Version(s)

Microsoft 365 Copilot -

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.