WID-SEC-W-2026-0228

csafDEcert_bund

DeutschShown in its original language — a full translation is planned for a future version.

Microsoft Copilot Studio: Schwachstelle ermöglicht Offenlegung von Informationen

view advisory published 2026-01-27

Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Microsoft 365 Copilot Studio ausnutzen, um Informationen offenzulegen.

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

Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.

Free scan