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CVE-2026-42827

nvd nist
Published: May 22, 2026Modified: Jul 23, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploitability: 3.9 / Impact: 3.6
Source: NVD

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.

Affected (1)

Microsoft
1 product
365 Copilot
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
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)

Source: secure@microsoft.com
Vendor Advisory

Timeline

No history available yet.