Microsoft Copilot
1
Incidents
10.0
Avg Severity
1
Critical
0
High
Top Failure Modes
Security Vulnerability
1
Worst Incident
STUPID-2026-0051 10/10EchoLeak: a zero-click email silently exfiltrated data from Microsoft 365 Copilot (CVE-2025-32711, CVSS 9.3)
Slack Ai
1
Incidents
10.0
Avg Severity
1
Critical
0
High
Top Failure Modes
Security Vulnerability
1
Worst Incident
STUPID-2026-0053 10/10Slack AI could be tricked into leaking private-channel data via indirect prompt injection
Comparison Summary
| Metric | Microsoft Copilot | Slack Ai |
|---|---|---|
| Total Incidents | 1 | 1 |
| Avg Severity | 10.0/10 | 10.0/10 |
| Critical Incidents | 1 | 1 |
| Top Failure Mode | Security Vulnerability | Security Vulnerability |
Frequently Asked Questions
Is Microsoft Copilot or Slack Ai more reliable?
Based on StupidLLM data, Microsoft Copilot has 1 documented failures (avg severity 10.0/10) while Slack Ai has 1 (avg severity 10.0/10). Both agents show similar reliability profiles.
What are the main differences between Microsoft Copilot and Slack Ai failures?
Microsoft Copilot's most common failure mode is security vulnerability, while Slack Ai most commonly fails via security vulnerability. Microsoft Copilot has 1 critical incidents vs Slack Ai's 1.