msrc_CVE-2026-21520

csafUSmsrc_csaf

Copilot Studio Information Disclosure Vulnerability

view advisory published 2026-01-22

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-21520US——
Exposure of Sensitive Information to an Unauthorized Actor in Copilot Studio allows a unauthenticated attacker to view sensitive information through network attack vector
02

references

External citations — patches, advisories, analysis.

scry

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