CVE-2025-59252

Microsoft · Published November 21, 2025

9.3

CVSS v3.1

CRITICAL

Patch availableGet patch

Description

M365 Copilot Information Disclosure Vulnerability. Improper neutralization of special elements used in a command ('command injection') in Copilot allows an unauthorized attacker to disclose information over a network.

Affected Products

Microsoft 365 Word Copilot

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N/E:U/RL:O/RC:C