Vulnerability Database

322,573

Total vulnerabilities in the database

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

  • Published: Jan 22, 2026
  • Updated: Jan 24, 2026
  • CVE: CVE-2026-21520
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CWEs:

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