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CVE-2026-26164 M365 Copilot Information Disclosure Vulnerability

🗓️ 07 May 2026 20:58:09Reported by microsoftType 
cvelist
 cvelist
🔗 www.cve.org👁 31 Views

CVE-2026-26164 affects Microsoft 365 Copilot with an information disclosure vulnerability.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-26164
7 May 202620:58
attackerkb
Circl
CVE-2026-26164
7 May 202623:09
circl
CNNVD
Microsoft 365 Copilot BizChat 注入漏洞
7 May 202600:00
cnnvd
CVE
CVE-2026-26164
7 May 202620:58
cve
EUVD
EUVD-2026-28446
8 May 202600:31
euvd
Kaspersky
KLA91032 OSI vulnerabilities in Microsoft Apps
7 May 202600:00
kaspersky
Microsoft CVE
M365 Copilot Information Disclosure Vulnerability
7 May 202614:00
mscve
NVD
CVE-2026-26164
7 May 202622:16
nvd
Positive Technologies
PT-2026-38575
7 May 202600:00
ptsecurity
RedhatCVE
CVE-2026-26164
12 May 202620:21
redhatcve
Rows per page
[
  {
    "vendor": "Microsoft",
    "product": "Microsoft 365 Copilot's Business Chat",
    "versions": [
      {
        "version": "-",
        "status": "affected"
      }
    ]
  }
]

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19 Jun 2026 16:13Current
CVSS 3.17.5
EPSS0.00799
31