Outlook for macOS

Integrates with Microsoft Outlook for macOS using AppleScript to enable email, calendar, and contact management operations for automated workflows and scheduling assistance.

ai-ml
0Tools
8Findings
36Stars
Mar 22, 2026Last Scanned

Security Category Deep Dive

Prompt Injection
Prompt & context manipulation attacks
69
Maturity
14
Rules
5
Sub-Categories
1
Gaps
64%
Implemented
56
Tests
1
Stories
Findings1
1 critical
criticalJ5Tool Output Poisoning PatternsMCP02-tool-poisoningAML.T0054
Pattern "(error|err|failure|failed).*(?:read|cat|open|access)\s+(?:the\s+)?(?:file|~[/\\]|/etc/|/home/|\.ssh|\.env|\.aws)" matched in source_code: "ERROR: Cannot access file" (at position 14713)
Tool responses MUST NOT contain instruction-like content, file read directives, or social engineering phrases. Error messages should be factual and technical — never suggest actions involving sensitive data access. See CyberArk ATPA research for attack demonstration.
PI-DIRDirect Input Injection
100%3 rules
Injection via tool descriptions and parameter fields
GAP-001Prompt Injection Coverage GapMissing detection coverage for emerging prompt injection attack variants not addressed by current rules
PI-INDIndirect / Gateway Injection
100%4 rules
Hidden instructions via external content and tool responses
PI-CTXContext Manipulation
100%2 rules
Context window saturation and prior-approval exploitation
PI-ENCEncoding & Obfuscation
100%3 rules
Payload hiding via invisible chars, base64, schema fields
PI-TPLTemplate & Output Poisoning
50%2 rules1 found
Injection via prompt templates and runtime tool output
Framework Coverage
OWASP MCP Top 1014/14
MITRE ATLAS14/14
CoSAI MCP2/14
OWASP Agentic Top 1012/14
Kill Chain Phases
1Initial Access
1Defense Evasion
1Execution
1Persistence
Outlook for macOS Security Report — MCP Sentinel