CVE-2026-21520 — Copilot Studio Information Disclosure Vulnerability
Exposure of Sensitive Information to an Unauthorized Actor in Copilot Studio allows a unauthenticated attacker to view sensitive information through network attack vector
Published: 2026-01-22 · CVSS: 7.5 · CVSS 3.1
Exposure of Sensitive Information to an Unauthorized Actor in Copilot Studio allows a unauthenticated attacker to view sensitive information through network attack vector
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7