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CVE-2026-21520

🗓️ 22 Jan 2026 22:47:33Reported by microsoftType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 2 Media mentions👁 19 Views

CVE-2026-21520 exposes information in Copilot Studio.

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

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01 Apr 2026 13:49Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.17.5
EPSS0.00125
SSVC
19