CVE-2026-54130— M365 Copilot Information Disclosure Vulnerability
Quick assessment
Affected
Microsoft Microsoft 365 Copilot
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Microsoft 365 copilot是美国Microsoft公司的一款AI生产力工具。 Microsoft 365 Copilot存在授权问题漏洞，该漏洞源于关键功能缺少身份验证，可能导致未经授权的攻击者通过网络披露信息。
Possible ATT&CK Techniques 1 AI
T1530 · Data from Cloud StorageAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Microsoft 365 Copilot | - |
affected |
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I. Basic Information for CVE-2026-54130
Vulnerability Information
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Vulnerability Title
M365 Copilot Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Missing authentication for critical function in M365 Copilot allows an unauthorized attacker to disclose information over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft 365 Copilot 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft 365 copilot是美国Microsoft公司的一款AI生产力工具。 Microsoft 365 Copilot存在授权问题漏洞，该漏洞源于关键功能缺少身份验证，可能导致未经授权的攻击者通过网络披露信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Microsoft | Microsoft 365 Copilot | - | - |
|
II. Public POCs for CVE-2026-54130
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-54130 (1)
Same Patch Batch · Microsoft · 2026-06-18 · 4 CVEs total
| CVE-2026-47647 | 9.9 CRITICAL | Dynamics 365 Elevation of Privilege Vulnerability |
| CVE-2026-32174 | 7.7 HIGH | Azure Bot Service Elevation of Privilege Vulnerability |
| CVE-2026-47633 | 7.5 HIGH | Microsoft Cost Management Information Disclosure Vulnerability |
IV. Related Vulnerabilities
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-
CVE-2026-85887
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CVE-2026-85885
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CVE-2026-47645
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Same vendor: Microsoft
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Microsoft Office PowerPoint Information Disclosure Vulnerabi
Same weakness: CWE-306
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V. Comments for CVE-2026-54130
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