CVE-2026-21520
HIGH WAF: High
CVSS 7.5
Published: 2026-01-22
CWE-77
Exposure of Sensitive Information to an Unauthorized Actor in Copilot Studio allows a unauthenticated attacker to view sensitive information through network attack vector
WAF Coverage Analysis
Command Injection
High WAF Coverage
OWASP: A03:2021 Injection
932xxx - Remote Code Execution
Affected Software
| Vendor | Product | Version |
|---|---|---|
| microsoft | copilot_studio | - |
References
- msrc.microsoft.com (Vendor Advisory)