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CVE-2026-26129 M365 Copilot Information Disclosure Vulnerability

🗓️ 07 May 2026 20:58:24Reported by microsoftType 
cvelist
 cvelist
🔗 www.cve.org👁 27 Views

Information disclosure vulnerability in Microsoft 365 Copilot.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-26129
7 May 202620:58
attackerkb
Circl
CVE-2026-26129
7 May 202623:09
circl
CNNVD
Microsoft 365 Copilot Business Chat 安全漏洞
7 May 202600:00
cnnvd
CVE
CVE-2026-26129
7 May 202620:58
cve
EUVD
EUVD-2026-28445
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-2026-26129
7 May 202622:16
nvd
Positive Technologies
PT-2026-38574
7 May 202600:00
ptsecurity
Rapid7 Blog
Patch Tuesday - May 2026
13 May 202600:22
rapid7blog
Rows per page
[
  {
    "vendor": "Microsoft",
    "product": "Microsoft 365 Copilot's Business Chat",
    "versions": [
      {
        "version": "-",
        "status": "affected"
      }
    ]
  }
]

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09 Jun 2026 19:33Current
CVSS 3.17.5
EPSS0.00062
27