CVE-2025-32711

CRITICAL 9.3

M365 Copilot Information Disclosure Vulnerability

CVSS Score

9.3

EPSS Score

0.0%

EPSS Percentile

0th

Ai command injection in M365 Copilot allows an unauthorized attacker to disclose information over a network.

Vendor	microsoft
Product	microsoft 365 copilot
Ecosystems	Windows .NET Azure
Industries	TechnologyEnterprise
Published	Jun 11, 2025
Last Updated	Feb 26, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Microsoft / Microsoft 365 Copilot

References

NVD ↗ CVE.org ↗ EPSS Data ↗

msrc.microsoft.com: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-32711 aim.security: https://www.aim.security/lp/aim-labs-echoleak-m365