CVE-2026-48561

Published: Jul 14, 2026Modified: Jul 16, 2026

9.6

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Exploitability: 2.8 / Impact: 6.0

Source: secure@microsoft.com (Secondary)

Description

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

Affected (2)

Products: Microsoft: 365 Copilot

Microsoft

1 product

365 Copilot

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Microsoft 365 Copilot	All versions
Microsoft 365 Copilot	All versions

Related CWEs

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

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.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48561

Source: secure@microsoft.com

Vendor Advisory

Timeline

No history available yet.