CVE-2025-32711

high

Description

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

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-32711

https://thehackernews.com/2026/07/new-agent-data-injection-attack-can.html

https://thehackernews.com/2026/06/one-click-microsoft-365-copilot-flaw.html

https://www.darknet.org.uk/2025/10/llm-black-markets-in-2025-prompt-injection-jailbreak-sales-model-leaks/

https://www.securityweek.com/echoleak-ai-attack-enabled-theft-of-sensitive-data-via-microsoft-365-copilot/

https://www.darkreading.com/application-security/researchers-detail-zero-click-copilot-exploit-echoleak

https://thehackernews.com/2025/06/zero-click-ai-vulnerability-exposes.html

https://www.bleepingcomputer.com/news/security/zero-click-ai-data-leak-flaw-uncovered-in-microsoft-365-copilot/

https://github.com/Danielossai12/aisecplus-week01-danielossai

https://github.com/TreRB/markdown-exfil-tester

https://github.com/aifinalwarning/microsoft_benevolent_offramps

https://github.com/zhangjunmengyang/awesome-ai-agent-security

https://github.com/daryllundy/cve-2025-32711

https://github.com/AvonBorn/CVE-2025-32711-Exploit

https://www.aim.security/lp/aim-labs-echoleak-m365

Details

Source: Mitre, NVD

Published: 2025-06-11

Updated: 2026-02-20

Named Vulnerability: EchoLeak

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

Severity: High

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.04634