AI developer toolsBriefPublic record

EchoLeak, M365 Copilot zero-click exfiltration (CVE-2025-32711)

Aim Labs. A crafted email caused Copilot to leak tenant data through markdown image and link fetches.

Disclosed

What happened

  • Aim Labs. A crafted email caused Copilot to leak tenant data through markdown image and link fetches. Fixed server-side.

Live scores

Live scores

CVE-2025-32711
EPSS
0.093
some chance of attack soon
VEDAS
0.532
some exploit evidence
On CISA KEV
Not listed
Detection rule
None yet

Sources

This is a brief: a short, sourced summary from our incident tracking. Full advisories add commands to check whether you are affected.