Agent report
Microsoft 365 Copilot failures
1 documented incidents, average severity 9.0/10. Most common failure mode: security vulnerability.
n = 1low confidence
Not ranked
With fewer than 3 documented incidents, this agent is excluded from comparative rankings. These reports are published, but they are not a basis for judging the product.
1
Incidents
9.0
Avg severity
1
Critical
1
Source checked
Severity breakdown
Failure modes
Worst documented incident
9.0
critical
EchoLeak: a zero-click email silently exfiltrated data from Microsoft 365 Copilot (CVE-2025-32711, CVSS 9.3)