VentureBeat
Microsoft patched a Copilot Studio prompt injection. The data exfiltrated anyway.
Microsoft assigned CVE-2026-21520, a CVSS 7.5 indirect prompt injection vulnerability, to Copilot Studio. Capsule Security discovered the flaw, coordinated disclosure with Microsoft, and the patch was deployed on January 15. Public disclosure went live on Wednesday. That CVE matters less for what it fixes and more for what it signals. Capsule’s research calls Microsoft’s decision to assign a CVE t
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Neutral technical terminology without loaded languageBalanced representation of multiple expert perspectives from different organizationsFactual reporting style focused on technical details rather than opinion or advocacytechnical/specialized languagemulti-source attributionobjective reporting of corporate actionsBalanced source selectionNeutral languageTechnical focus without partisan framingLoaded language in expert quotes, such as 'architectural failure' and 'lethal trifecta', which amplifies the severity of issuesOmission of direct perspectives from Microsoft and Salesforce, focusing primarily on critical research and expert opinionsFraming of issues as urgent and systemic vulnerabilities in AI agents, emphasizing the need for broader security measures
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