Vulnerability Details CVE-2026-21520
Exposure of Sensitive Information to an Unauthorized Actor in Copilot Studio allows a unauthenticated attacker to view sensitive information through network attack vector
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 25.7%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-21520
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cpe:2.3:a:microsoft:copilot_studio:-