CVE-2026-42893

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

CVSS v3 7.4 HIGH

7.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42893	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:microsoft:outlook:*:*:*:*:*:iphone_os:*:*

History

No history.

Information

Published : 2026-05-12 18:17

Updated : 2026-06-17 10:48

NVD link : CVE-2026-42893

Mitre link : CVE-2026-42893

CVE.ORG link : CVE-2026-42893

JSON object : View

Products Affected

microsoft

outlook

CWE

CWE-77

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

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