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CVE-2026-21520 Copilot Studio Information Disclosure Vulnerability

🗓️ 22 Jan 2026 22:47:33Reported by microsoftType 
cvelist
 cvelist
🔗 www.cve.org👁 17 Views

CVE-2026-21520 is an information disclosure vulnerability in Copilot Studio.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-21520
22 Jan 202622:47
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Circl
CVE-2026-21520
23 Jan 202600:02
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CVE
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EUVD
EUVD-2026-4504
23 Jan 202600:31
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Copilot Studio Information Disclosure Vulnerability
22 Jan 202616:00
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NVD
CVE-2026-21520
22 Jan 202623:15
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Positive Technologies
PT-2026-4307
22 Jan 202600:00
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RedhatCVE
CVE-2026-21520
24 Jan 202603:17
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The Hacker News
Google Patches Antigravity IDE Flaw Enabling Prompt Injection Code Execution
21 Apr 202610:22
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Rows per page
[
  {
    "vendor": "Microsoft",
    "product": "Microsoft Copilot Studio",
    "versions": [
      {
        "version": "-",
        "status": "affected"
      }
    ]
  }
]

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01 Apr 2026 13:49Current
CVSS 3.17.5
EPSS0.01058
17