CVE-2026-41090

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CVSS 3.1

9.3 critical

EPSS

<1%p35

Published

May 22, 2026 (May 22, 2026)

Modified

Jul 23, 2026

Description

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

Vendors: microsoft
Products: 365 copilot
Weakness: CWE-77
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.4%)

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