CVE-2026-26164

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-74

Affected software

No affected versions have been published.

Timeline

Published: May 7, 2026
Last modified: Jun 17, 2026
NVD status: Modified

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